added name to endpoints bookstore grpc yaml (GoogleCloudPlatform#1902)

Author: daniel-sanche

endpoints/bookstore-grpc/api_config_http.yaml

@@ -21,6 +21,11 @@
 type: google.api.Service
 config_version: 3
 
+#
+# Name of the service configuration.
+#
+name: bookstore.endpoints.<MY_PROJECT_ID>.cloud.goog
+
 #
 # HTTP rules define translation from HTTP/REST/JSON to gRPC. With these rules
 # HTTP/REST/JSON clients will be able to call the Bookstore service.