am 83f7dd40: am 6eed638a: am ab85a2a5: am d77ac2b9: am 80e0ac6a: am 70db2b6b: Merge "Doc change: sample app for Notifications class" into jb-dev-docs

* commit '83f7dd40051b9a8e2a3786642c45e3166a137889':
  Doc change: sample app for Notifications class