Merge "Add AUDIO_FORMAT_MAT to the list of formats in XSD" am: 84be95b671 am: 7efe601b35 am: f79b8b33db

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1558868

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idbb45cec9acba471712940c0f3b0a07f4478cc59