am 1169f420: Merge "Add animation for the status bar going away." into gingerbread

Merge commit '1169f420f6df5cf5254fed883efa7e6780473c08' into gingerbread-plus-aosp

* commit '1169f420f6df5cf5254fed883efa7e6780473c08':
  Add animation for the status bar going away.