Merge commit '7146332e9999443e22296d6d0968f95b80e79af6' * commit '7146332e9999443e22296d6d0968f95b80e79af6': Support raw audio sources in MediaPlayerImpl.
Merge commit '7146332e9999443e22296d6d0968f95b80e79af6' * commit '7146332e9999443e22296d6d0968f95b80e79af6': Support raw audio sources in MediaPlayerImpl.