Merge "AudioService: fix volume group mute" into rvc-dev am: ff373b46

        }

        private void setVolumeIndexInt(int index, int device, int flags) {

            // Reflect mute state of corresponding stream by forcing index to 0 if muted

            // Only set audio policy BT SCO stream volume to 0 when the stream is actually muted.

            // This allows RX path muting by the audio HAL only when explicitly muted but not when

            // index is just set to 0 to repect BT requirements

            if (mStreamStates[mPublicStreamType].isFullyMuted()) {

                index = 0;

            } else if (mPublicStreamType == AudioSystem.STREAM_BLUETOOTH_SCO && index == 0) {

                index = 1;

            }

            // Set the volume index

            AudioSystem.setVolumeIndexForAttributes(mAudioAttributes, index, device);

        }