audio: Copy generic HAL and bt-audio configs from Cuttlefish

Existing HAL copied from goldfish days seem to be obsolete
and didn't work as expected with both analog speakers (WIP)
and BT audio profiles. So copied generic audio HAL from
Cuttlefish and verified BT and analog audio playback.

Change-Id: Ib7fbea1c02240663e3406865f3a21544b1aec793
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
4 files changed