tree b1193d77a7b45b91fed9ee36a55c58f62898f357
parent c38e7baa4f7f0ee69ba494a4624d1f6dd3e21bec
author Eric Laurent <elaurent@google.com> 1323479440 -0800
committer Eric Laurent <elaurent@google.com> 1326820245 -0800

audio policy: manage stream volume per device

Improve volume management by keeping track of volume for each type
of device independently.

Added functions at the audio policy interface to set and get stream volume
for a particular device.

Change-Id: Ic8899e82e48193cb65b3673e9d20383efed943b5