Merge "SupportLeanbackDemo: support delay loading page fragment data" into nyc-dev
am: 0c91f79b5a

* commit '0c91f79b5ae87fe635e3f10e33a30970a8b468d5':
  SupportLeanbackDemo: support delay loading page fragment data

Change-Id: Ibb0a649de7cc52d99b0869d0fa641cf500614565