Merge "Merge "Add new interface to get active local media session and to...

Merge "Merge "Add new interface to get active local media session and to adjust volume" into rvc-dev am: 3546dac0 am: 0be9fbe9" into rvc-d1-dev-plus-aosp am: c7d8df41

Change-Id: Idab27e36ed403ebdc35c95bcf0715c1032325952