Merge "aaudio: add MediaMetrics for MMAP streams" into rvc-dev am: cc40c5fa11 am: 424369b7b5 am: 070d9477cd am: 298c052f35 am: 3eeb0bd0cb

Change-Id: I3abf6bc233c6be22d8e9a829ca47fdc4f2f0ec96