Merge "Revert "SupportLeanbackDemo: support delay loading page fragment data"" into nyc-dev am: 5d3b4d922d
am: f0e9ca2813

* commit 'f0e9ca2813f4972163dc8a43152aa5b917d914a4':
  Revert "SupportLeanbackDemo: support delay loading page fragment data"

Change-Id: I7fe8690b71129d35e459f58dd3e04ede2ae8d27e