The added policies for Audio HAL (`hal_audio_default`) are exactly the same as Camera HAL (`hal_camera_default`). Background: Audio team is migrating audio processing offload to TPU. POR is for Android U QPR. Design doc: https://docs.google.com/document/d/1KarcXFbfiJVxHDFgT5AYNE0-tUc0cr_63dCNK-5HQys/edit?resourcekey=0-J-4NEenhAWuoa5Ou7ZGYgw Bug: 289466639 Change-Id: I02b7ba4e4956b0db615b21a88dc47b615cc66e44 Test: It was tested in above Bug that Audio HAL could use EdgeTpu