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