am 6abf7c8f: Merge change Iad66a274 into eclair

Merge commit '6abf7c8fccf1430bf5d730592b79d77fbeccfe5b' into eclair-mr2

* commit '6abf7c8fccf1430bf5d730592b79d77fbeccfe5b':
  Fix race condition in WindowManagerService.disableKeyguard()