This ensures that we'll only adjust volume on a session's stream if that stream is actually in use. bug:17690423 Change-Id: I5fce8265a015bbc5034afa16719d9a0bbf257598
This ensures that we'll only adjust volume on a session's stream if that stream is actually in use. bug:17690423 Change-Id: I5fce8265a015bbc5034afa16719d9a0bbf257598