Merge changes I8c01f31d,I0a2b90d1,I78bfa0d1,I803f9df1,I3ad42802, ... into tm-qpr-dev
* changes:
[IMPR] AudioProductStrategy: add getName hidden API
fixup '[IMPR] AudioManager: add adjustAttributesVolume API'
[IMPR] AudioService: improve bijectivity between VSS / VGS
[BUG] AudioService: fix mute/umute of aliased streams.
[IMPR] AudioManager: add adjustAttributesVolume API
[IMPR] AudioService: VolumeGroupState: improve implementation
[IMPR] AudioProductStrategy: get volume group from AudioAttributes