Minor clean-up to the demo.
Minor clean-up to the demo.



Revision created by MOE tool push_codebase.
MOE_MIGRATION=7003

GoogleCloudPlatform/appengine-gcs-client,GoogleCloudPlatform/appengine-gcs-client,aozarov/appengine-gcs-client,GoogleCloudPlatform/appengine-gcs-client,aozarov/appengine-gcs-client,aozarov/appengine-gcs-client