feat: Automated regeneration of analyticsdata v1alpha client (#1527)

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2020-11-17 01:33:26,830 synthtool [DEBUG] > Executing /home/kbuilder/.cache/synthtool/google-api-ruby-client/synth.py.
On branch autosynth-analyticsdata-v1alpha
nothing to commit, working tree clean
2020-11-17 01:33:26,859 synthtool [DEBUG] > Running: docker run --rm -v/home/kbuilder/.cache/synthtool/google-api-ruby-client:/workspace -v/var/run/docker.sock:/var/run/docker.sock -w /workspace --entrypoint script/synth.rb gcr.io/cloud-devrel-kokoro-resources/yoshi-ruby/autosynth analyticsdata v1alpha
DEBUG:synthtool:Running: docker run --rm -v/home/kbuilder/.cache/synthtool/google-api-ruby-client:/workspace -v/var/run/docker.sock:/var/run/docker.sock -w /workspace --entrypoint script/synth.rb gcr.io/cloud-devrel-kokoro-resources/yoshi-ruby/autosynth analyticsdata v1alpha
bundle install
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and
installing your bundle as root will break this application for all non-root
users on this machine.
The dependency jruby-openssl (>= 0) will be unused by any of the platforms Bundler is installing for. Bundler is installing for ruby but the dependency is only for java. To add those platforms to the bundle, run `bundle lock --add-platform java`.
Fetching gem metadata from https://rubygems.org/.........
Fetching gem metadata from https://rubygems.org/.
Resolving dependencies...
Fetching rake 11.3.0
Installing rake 11.3.0
Fetching concurrent-ruby 1.1.7
Installing concurrent-ruby 1.1.7
Fetching i18n 1.8.5
Installing i18n 1.8.5
Fetching minitest 5.14.2
Installing minitest 5.14.2
Fetching thread_safe 0.3.6
Installing thread_safe 0.3.6
Fetching tzinfo 1.2.8
Installing tzinfo 1.2.8
Fetching activesupport 5.0.7.2
Installing activesupport 5.0.7.2
Fetching public_suffix 4.0.6
Installing public_suffix 4.0.6
Fetching addressable 2.7.0
Installing addressable 2.7.0
Fetching ast 2.4.1
Installing ast 2.4.1
Using bundler 2.1.4
Fetching byebug 11.1.3
Installing byebug 11.1.3 with native extensions
Fetching coderay 1.1.3
Installing coderay 1.1.3
Fetching json 2.3.1
Installing json 2.3.1 with native extensions
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Installing docile 1.3.2
Fetching simplecov-html 0.10.2
Installing simplecov-html 0.10.2
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Installing simplecov 0.16.1
Using sync 0.5.0
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Installing tins 1.26.0
Fetching term-ansicolor 1.7.1
Installing term-ansicolor 1.7.1
Fetching thor 0.20.3
Installing thor 0.20.3
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Installing coveralls 0.8.23
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Installing crack 0.4.4
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Installing declarative 0.0.20
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Installing diff-lcs 1.4.4
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Installing dotenv 2.7.6
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Installing fakefs 0.20.1
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Installing multipart-post 2.1.1
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Installing ruby2_keywords 0.0.2
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Installing faraday 1.1.0
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Installing gems 1.2.0
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Installing github-markup 1.7.0
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Installing jwt 2.2.2
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Installing multi_json 1.15.0
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Installing os 0.9.6
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Installing signet 0.14.0
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Installing googleauth 0.14.0
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Installing httpclient 2.8.3
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Installing mini_mime 1.0.2
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Installing rexml 3.2.4
Using google-api-client 0.50.0 from source at `.`
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Installing httparty 0.18.1
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Installing json_spec 1.1.5
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Installing little-plugger 1.1.4
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Installing webmock 2.3.2
Bundle complete! 31 Gemfile dependencies, 78 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
Post-install message from i18n:

HEADS UP! i18n 1.1 changed fallbacks to exclude default locale.
But that may break your application.

If you are upgrading your Rails application from an older version of Rails:

Please check your Rails app for 'config.i18n.fallbacks = true'.
If you're using I18n (>= 1.1.0) and Rails (< 5.2.2), this should be
'config.i18n.fallbacks = [I18n.default_locale]'.
If not, fallbacks will be broken in your app by I18n 1.1.x.

If you are starting a NEW Rails application, you can ignore this notice.

For more info see:
https://github.com/svenfuchs/i18n/releases/tag/v1.1.0

Post-install message from httparty:
When you HTTParty, you must party hard!
echo a | bundle exec bin/generate-api gen generated --api=analyticsdata.v1alpha --names-out=/workspace/api_names_out.yaml
Loading analyticsdata, version v1alpha from https://raw.githubusercontent.com/googleapis/discovery-artifact-manager/master/discoveries/analyticsdata.v1alpha.json
    conflict  google/apis/analyticsdata_v1alpha.rb
<icsdata_v1alpha.rb? (enter "h" for help) [Ynaqdhm] a
       force  google/apis/analyticsdata_v1alpha.rb
   identical  google/apis/analyticsdata_v1alpha/service.rb
    conflict  google/apis/analyticsdata_v1alpha/classes.rb
       force  google/apis/analyticsdata_v1alpha/classes.rb
    conflict  google/apis/analyticsdata_v1alpha/representations.rb
       force  google/apis/analyticsdata_v1alpha/representations.rb
    conflict  /workspace/api_names_out.yaml
       force  /workspace/api_names_out.yaml
2020-11-17 01:33:52,538 synthtool [DEBUG] > Wrote metadata to generated/google/apis/analyticsdata_v1alpha/synth.metadata.
DEBUG:synthtool:Wrote metadata to generated/google/apis/analyticsdata_v1alpha/synth.metadata.

```
</details>

Full log will be available here:
https://source.cloud.google.com/results/invocations/7e06f273-92b4-427a-ba27-5b49afa0b082/targets

- [ ] To automatically regenerate this PR, check this box.

api_names_out.yaml

@@ -6978,6 +6978,7 @@
 "/analyticsdata:v1alpha/DimensionHeader/name": name
 "/analyticsdata:v1alpha/DimensionMetadata": dimension_metadata
 "/analyticsdata:v1alpha/DimensionMetadata/apiName": api_name
+"/analyticsdata:v1alpha/DimensionMetadata/customDefinition": custom_definition
 "/analyticsdata:v1alpha/DimensionMetadata/deprecatedApiNames": deprecated_api_names
 "/analyticsdata:v1alpha/DimensionMetadata/deprecatedApiNames/deprecated_api_name": deprecated_api_name
 "/analyticsdata:v1alpha/DimensionMetadata/description": description
@@ -7023,6 +7024,7 @@
 "/analyticsdata:v1alpha/MetricHeader/type": type
 "/analyticsdata:v1alpha/MetricMetadata": metric_metadata
 "/analyticsdata:v1alpha/MetricMetadata/apiName": api_name
+"/analyticsdata:v1alpha/MetricMetadata/customDefinition": custom_definition
 "/analyticsdata:v1alpha/MetricMetadata/deprecatedApiNames": deprecated_api_names
 "/analyticsdata:v1alpha/MetricMetadata/deprecatedApiNames/deprecated_api_name": deprecated_api_name
 "/analyticsdata:v1alpha/MetricMetadata/description": description

generated/google/apis/analyticsdata_v1alpha.rb

@@ -25,7 +25,7 @@ module Google
     # @see https://developers.google.com/analytics/trusted-testing/analytics-data/
     module AnalyticsdataV1alpha
       VERSION = 'V1alpha'
-      REVISION = '20201110'
+      REVISION = '20201112'
 
       # View and manage your Google Analytics data
       AUTH_ANALYTICS = 'https://www.googleapis.com/auth/analytics'

generated/google/apis/analyticsdata_v1alpha/classes.rb

@@ -452,6 +452,12 @@ module Google
         # @return [String]
         attr_accessor :api_name
       
+        # True if the dimension is a custom dimension for this property.
+        # Corresponds to the JSON property `customDefinition`
+        # @return [Boolean]
+        attr_accessor :custom_definition
+        alias_method :custom_definition?, :custom_definition
+      
         # Still usable but deprecated names for this dimension. If populated, this
         # dimension is available by either `apiName` or one of `deprecatedApiNames` for
         # a period of time. After the deprecation period, the dimension will be
@@ -478,6 +484,7 @@ module Google
         # Update properties of this object
         def update!(**args)
           @api_name = args[:api_name] if args.key?(:api_name)
+          @custom_definition = args[:custom_definition] if args.key?(:custom_definition)
           @deprecated_api_names = args[:deprecated_api_names] if args.key?(:deprecated_api_names)
           @description = args[:description] if args.key?(:description)
           @ui_name = args[:ui_name] if args.key?(:ui_name)
@@ -797,6 +804,12 @@ module Google
         # @return [String]
         attr_accessor :api_name
       
+        # True if the metric is a custom metric for this property.
+        # Corresponds to the JSON property `customDefinition`
+        # @return [Boolean]
+        attr_accessor :custom_definition
+        alias_method :custom_definition?, :custom_definition
+      
         # Still usable but deprecated names for this metric. If populated, this metric
         # is available by either `apiName` or one of `deprecatedApiNames` for a period
         # of time. After the deprecation period, the metric will be available only by `
@@ -835,6 +848,7 @@ module Google
         # Update properties of this object
         def update!(**args)
           @api_name = args[:api_name] if args.key?(:api_name)
+          @custom_definition = args[:custom_definition] if args.key?(:custom_definition)
           @deprecated_api_names = args[:deprecated_api_names] if args.key?(:deprecated_api_names)
           @description = args[:description] if args.key?(:description)
           @expression = args[:expression] if args.key?(:expression)

generated/google/apis/analyticsdata_v1alpha/representations.rb

@@ -450,6 +450,7 @@ module Google
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
           property :api_name, as: 'apiName'
+          property :custom_definition, as: 'customDefinition'
           collection :deprecated_api_names, as: 'deprecatedApiNames'
           property :description, as: 'description'
           property :ui_name, as: 'uiName'
@@ -556,6 +557,7 @@ module Google
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
           property :api_name, as: 'apiName'
+          property :custom_definition, as: 'customDefinition'
           collection :deprecated_api_names, as: 'deprecatedApiNames'
           property :description, as: 'description'
           property :expression, as: 'expression'

generated/google/apis/analyticsdata_v1alpha/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "f98e8cc384534befb2581970289d37af2f501cc2"
+        "sha": "5a5fc28c514f8c35b017cae0c2a86d8c0dceb8dd"
       }
     }
   ]