Autogenerated update (2017-12-30)

Update:
- bigquery_v2

generated/google/apis/bigquery_v2.rb

@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/bigquery/
     module BigqueryV2
       VERSION = 'V2'
-      REVISION = '20171217'
+      REVISION = '20171224'
 
       # View and manage your data in Google BigQuery
       AUTH_BIGQUERY = 'https://www.googleapis.com/auth/bigquery'

generated/google/apis/bigquery_v2/classes.rb

@@ -2713,7 +2713,9 @@ module Google
       
         # [Optional] The time when this table expires, in milliseconds since the epoch.
         # If not present, the table will persist indefinitely. Expired tables will be
-        # deleted and their storage reclaimed.
+        # deleted and their storage reclaimed. The defaultTableExpirationMs property of
+        # the encapsulating dataset can be used to set a default expirationTime on newly
+        # created tables.
         # Corresponds to the JSON property `expirationTime`
         # @return [Fixnum]
         attr_accessor :expiration_time