tree 4c4d82db720d93a4b9e41d8c329e8d61fd59ff10
parent f31324d5fbbdbb856edad55568f9696b4c860fb8
author Joseph Pirozzo <pirozzoj@google.com> 1502753199 -0700
committer Joseph Pirozzo <pirozzoj@google.com> 1502922073 -0700

HFP client volume control

Accept volume controls from connected phone.  Suport AT+VGS and +VGS
commands.

Bug: 38005564
Test: Connect a phone, start a call, change volume up and down on phone
and verify volume level on headunit changes, as well as monitor snoop
logs.

Change-Id: I8b89b2487da81cf9562598a0a5408c266e8ecc6a