Merge "mediaserver: add more hwbinder threads" into rvc-dev am: 2038329c am: 90dcc0b7 am: 331a69f0 am: 97581957

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/12046706

Change-Id: Ib2dd06130e4406db5171c62ac3d73cb228883faf