audio: update mixer tables - Align usecase from c2f2 - Correct max microphone count - Add headset and headphone route for voice call - Delete unused files - Add audio_io_policy table Bug: 143668863 Test: manual audio test Change-Id: I1cebd00eea51e05fdb3b71e1b2c6ed9f304ae970 Signed-off-by: Jasmine Cha <chajasmine@google.com>