am 47cd4d52: Merge "docs: update fragment docs with revised APIs, add sample...

am 47cd4d52: Merge "docs: update fragment docs with revised APIs, add sample code from ApiDemos, and polish it up" into honeycomb

* commit '47cd4d521bf440042562b5cd1527facc4416b8dc':
  docs: update fragment docs with revised APIs, add sample code from ApiDemos, and polish it up