configs: AFE/ADM for GAS and HFP concurrency

- Sets ADM for audio-record in the case where
  GAS is enabled and HFP call is started
- All paths now have 4 channels in AFE whereas
  the ADM is set specific to the usecase.

Change-Id: Idbcb36f5f8184988cf919bb7d4136f5c7366eea0