Autogenerated update (2018-12-11)

Update:
- alertcenter_v1beta1
- gmail_v1

generated/google/apis/alertcenter_v1beta1.rb

@@ -25,7 +25,7 @@ module Google
     # @see https://developers.google.com/admin-sdk/alertcenter/
     module AlertcenterV1beta1
       VERSION = 'V1beta1'
-      REVISION = '20181206'
+      REVISION = '20181208'
 
       # See and delete your domain's G Suite alerts, and send alert feedback
       AUTH_APPS_ALERTS = 'https://www.googleapis.com/auth/apps.alerts'

generated/google/apis/gmail_v1.rb

@@ -25,7 +25,7 @@ module Google
     # @see https://developers.google.com/gmail/api/
     module GmailV1
       VERSION = 'V1'
-      REVISION = '20180904'
+      REVISION = '20181202'
 
       # Read, compose, send, and permanently delete all your email from Gmail
       AUTH_SCOPE = 'https://mail.google.com/'

generated/google/apis/gmail_v1/classes.rb

@@ -106,7 +106,7 @@ module Google
       end
       
       # Settings for a delegate. Delegates can read, send, and delete messages, as
-      # well as manage contacts, for the delegator's account. See "Set up mail
+      # well as view and add contacts, for the delegator's account. See "Set up mail
       # delegation" for more information about delegates.
       class Delegate
         include Google::Apis::Core::Hashable