Merge changes I145c2e25,I4abe87dd,I86575d17,I90a0e583

* changes:
  Introduce BluetoothAudioQualityPreferenceCtrl
  Introduce BluetoothAudioChannelModePreferenceCtrl
  Introduce BluetoothAudioBitsPerSamplePrefCtrl
  Introduce BluetoothAudioCodecPreferenceController