Merge commit '848f9c99af9c1f3fe0cc30717ea4c73e6fefb527' * commit '848f9c99af9c1f3fe0cc30717ea4c73e6fefb527': Fix issue 2192181: AudioFlinger must provide separated methods to set VOICE_CALL stream volume and down link audio volume.
Merge commit '848f9c99af9c1f3fe0cc30717ea4c73e6fefb527' * commit '848f9c99af9c1f3fe0cc30717ea4c73e6fefb527': Fix issue 2192181: AudioFlinger must provide separated methods to set VOICE_CALL stream volume and down link audio volume.