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

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

Change-Id: I5aee725c21ce70d4333b711acc8f96d6469b1bf9