Autogenerated update (2019-08-08)

Update:
- androidmanagement_v1
- content_v2
- content_v2_1
- firebase_v1beta1
- healthcare_v1alpha2
- healthcare_v1beta1
- serviceconsumermanagement_v1
- serviceusage_v1
- speech_v1
- speech_v1p1beta1
- websecurityscanner_v1
- websecurityscanner_v1beta

generated/google/apis/serviceusage_v1/classes.rb

@@ -441,8 +441,6 @@ module Google
         # serviceusage.googleapis.com
         # Enabling services requires that each service is public or is shared with
         # the user enabling the service.
-        # Two or more services must be specified. To enable a single service,
-        # use the `EnableService` method instead.
         # A single request can enable a maximum of 20 services at a time. If more
         # than 20 services are specified, the request will fail, and no state changes
         # will occur.