tree c97aa681b8c70d7429f7be93f851f04e9dee5900
parent c75307b73d324d590d0dbc05b44bce9aa89b7145
author Eric Laurent <elaurent@google.com> 1426728619 -0700
committer Eric Laurent <elaurent@google.com> 1428541704 -0700

audio policy: volume in dBs

Volumes are now stored and exchanged in dBs to be
consistent with the volume tables.

They are converted if needed when applied to the target
gain controller.

Change-Id: I916cbb0bbe65c916444b8c65a2bdca9645c58399