Merge "Revert "SupportLeanbackDemo: support delay loading page fragment data"" into nyc-dev
am: 5d3b4d922d

* commit '5d3b4d922decd490648b0a79fac67c59321959a4':
  Revert "SupportLeanbackDemo: support delay loading page fragment data"

Change-Id: I5d71e1ff6c2096d8b679141bf1fac35155cb7e32