am bf96aaad: Merge change Icf10db28 into eclair

Merge commit 'bf96aaadd46fb5b0884070177faa16ec4f22e2ba' into eclair-mr2

* commit 'bf96aaadd46fb5b0884070177faa16ec4f22e2ba':
  Fix issue 2192181: AudioFlinger must provide separated methods to set VOICE_CALL stream volume and down link audio volume.