am f4d788c9: Merge "Make input dispatcher only ANR for foreground windows." into gingerbread

Merge commit 'f4d788c9309bc5480100d980608472e4cb04f309' into gingerbread-plus-aosp

* commit 'f4d788c9309bc5480100d980608472e4cb04f309':
  Make input dispatcher only ANR for foreground windows.