Update notes for submitted changes

* post_proc: fix post and pre process KW issues
* post_proc: disable Bassboost and Virtualizer for USB_ACCESSORY
* post_proc: improve logging
* hal: Fix teardown during back to back pause/play of WFD session
* hal: improve logging.
* Audio: Enhance logging in AudioPolicyManager
* hal: SSR support for pcm playback,pcm record usecases