am 6ab94608: Merge "CallManager: add setAudioMode()" into gingerbread

Merge commit '6ab94608750776bcaaee56696cfcfb16ce29db8a' into gingerbread-plus-aosp

* commit '6ab94608750776bcaaee56696cfcfb16ce29db8a':
  CallManager: add setAudioMode()