Autogenerated update (2019-09-24)

Update:
- androidmanagement_v1
- bigquerydatatransfer_v1
- cloudtrace_v1
- cloudtrace_v2
- firebase_v1beta1
- ml_v1
- run_v1
- run_v1alpha1
- securitycenter_v1beta1
- serviceconsumermanagement_v1
- servicenetworking_v1
- servicenetworking_v1beta
- serviceusage_v1
- serviceusage_v1beta1
- websecurityscanner_v1
- websecurityscanner_v1alpha
- websecurityscanner_v1beta
- youtube_partner_v1

generated/google/apis/bigquerydatatransfer_v1/classes.rb

@@ -569,13 +569,13 @@ module Google
       class ScheduleTransferRunsRequest
         include Google::Apis::Core::Hashable
       
-        # End time of the range of transfer runs. For example,
+        # Required. End time of the range of transfer runs. For example,
         # `"2017-05-30T00:00:00+00:00"`.
         # Corresponds to the JSON property `endTime`
         # @return [String]
         attr_accessor :end_time
       
-        # Start time of the range of transfer runs. For example,
+        # Required. Start time of the range of transfer runs. For example,
         # `"2017-05-25T00:00:00+00:00"`.
         # Corresponds to the JSON property `startTime`
         # @return [String]