am 098e58da: Use SystemClock.elapsedRealtime in ShutdownThread timeout logic

Merge commit '098e58da93f304d7d7791f193c6237870b94989d' into froyo-plus-aosp

* commit '098e58da93f304d7d7791f193c6237870b94989d':
  Use SystemClock.elapsedRealtime in ShutdownThread timeout logic