feat: Automated regeneration of drive v2 client

generated/google/apis/drive_v2.rb

@@ -26,7 +26,7 @@ module Apis
     # @see https://developers.google.com/drive/
     module DriveV2
       VERSION = 'V2'
-      REVISION = '20201115'
+      REVISION = '20201130'
 
       # See, edit, create, and delete all of your Google Drive files
       AUTH_DRIVE = 'https://www.googleapis.com/auth/drive'

generated/google/apis/drive_v2/classes.rb

@@ -3425,7 +3425,10 @@ class Property
         attr_accessor :value
 
         # The visibility of this property. Allowed values are PRIVATE and PUBLIC. (
-        # Default: PRIVATE)
+        # Default: PRIVATE). Private properties can only be retrieved using an
+        # authenticated request. An authenticated request uses an access token obtained
+        # with a OAuth 2 client ID. You cannot use an API key to retrieve private
+        # properties.
         # Corresponds to the JSON property `visibility`
         # @return [String]
         attr_accessor :visibility

generated/google/apis/drive_v2/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "a0a522339818657195e0606b4655255c0adfcef4"
+        "sha": "1ca7ec3e2f29bdd2184cd075ab5ad2f60c9109fc"
       }
     }
   ]