Merge "GuidedStepFragment sample: add id to radio/checkbox" into nyc-dev
am: e3ff707

* commit 'e3ff7079ff29f4e4ea581459c298fa3f4bb8d1b0':
  GuidedStepFragment sample: add id to radio/checkbox

Change-Id: I732e165a9828f93b14e9b3e6890c831d4cb53755