Merge commit '7ed70c9515fe3df6eb1796717d73f23e7286b3e6' into eclair-mr2-plus-aosp
* commit '7ed70c9515fe3df6eb1796717d73f23e7286b3e6':
Fix issue 2192181: AudioFlinger must provide separated methods to set VOICE_CALL stream volume and down link audio volume.