audio HAL: Add missing input channel masks

The following masks added for input: 2.0.2, 2.1.2, 3.0.2, 3.1.2

Add utility function 'audio_channel_mask_in_to_out' for deriving
a corresponding output channel mask from an input mask.

Remove temporary AUDIO_OUTPUT_FLAG_INCALL_MUSIC definition.

Bug: 38184704
Bug: 63901775
Test: make
Change-Id: If84a3e4942163f4cd6417486d601ac9a7b5b2068
2 files changed