Add mixer controls for proxy ports. Enable call screen mode support in audio_policy_config. Change-Id: I88eb274e8b88d089da930a786f9ea8085955ae3b
Allocate dedicated pcm node for in call recording, this can avoid conflicting with generic audio recording for concurrent recording scenarios. Change-Id: I77f78a495623a55ad9c475d2554e7af326c68d7b