audio: Remove headset device from audio_policy.conf.

Since the abox_edge now has a service to detect headsets and inform the
audio system, there's no need for the audio_policy.conf file to
explicitly contain this information.

BUG=27067551
TEST=audio playback and recording work.

Change-Id: I1b62392f2a04c5d2bbc0f8482c12556fe7e84384
1 file changed
tree: 37f092f62e13b175b4b643ba6acb42759cbb8928
  1. peripheral/
  2. soc/