Audio: manage volume per group ID

To be aligned with latest AudioManager API that migrated
the volume control from attributes to group id, this CL propagates
this change the the whole audio stack.

Bug: 270049944
Test: atest AudioManagerTest
Flag: android.media.audiopolicy.volume_group_management_update

Change-Id: I2f1d69c48a276934ac01da82778f83a2b5efca7b
Signed-off-by: François Gaffie <francois.gaffie@renault.com>