am 1aadb210: Merge changes I48392c75,Id09437a4,I4a0aa878 into honeycomb

* commit '1aadb2108d7614d9d1ff61b41c6c31cb8d211ab9':
  Expose the window flags for lights out mode.
  Make TabletStatusBar call into StatusBarManagerService when it goes out of lights out mode on its own.
  Make FLAG_FULLSCREEN not go into lights out mode anymore.