Update notes for submitted changes

* audio: Starting proxy thread when there is an active stream
* mm-audio: Remove omx decoder components from mm-audio folder
* mm-audio: aenc: timestamp fixes
* hal: fix mutex unlock issue
* alsa_sound: call voice volume api for direct output also
* policy_hal: Set the output devices in ascending order of outputs
* Revert "audio: primary desc check for sonification"
* audio_policy: force cancel unexecuted device routing command