Update google-api-client from 0.8.6 to 0.9.28.
0.8.6 has a dependency on Rails < 5, we need to update to 0.9.x to allow for Rails 5.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
0.8.6 has a dependency on Rails < 5, we need to update to 0.9.x to allow for Rails 5.