Merge commit 'a8eaa9a397383b776b5b65dc479502e70d567dcf' into eclair-mr2-plus-aosp
* commit 'a8eaa9a397383b776b5b65dc479502e70d567dcf':
Fix issue 2192181: AudioFlinger must provide separated methods to set VOICE_CALL stream volume and down link audio volume.