Merge "SupportLeanbackDemo: support delay loading page fragment data" into nyc-dev am: 0c91f79b5a
am: eb56f16278

* commit 'eb56f16278ba90085dd2a0d801316ba79c01e670':
  SupportLeanbackDemo: support delay loading page fragment data

Change-Id: I81ba76902fba3d61d4bde9e2c3ac661e2e90949b