am fc12b5be: am b5fa4dff: Merge "Fix bug 2594126 Do not crash when ViewRoot is...

am fc12b5be: am b5fa4dff: Merge "Fix bug 2594126 Do not crash when ViewRoot is trying to play a UI sound. This CL doesn\'t fix why mView can be null in the first place, but prevents a crash when mView is null and a UI sound is to be played." into froyo

Merge commit 'fc12b5be' into kraken

* commit 'fc12b5be':
  Fix bug 2594126 Do not crash when ViewRoot is trying to play a UI