Merge "libaudiohal: Implement updateSource/SinkMetadata" am: 62104b9d am: b4c304e5 am: 73d62511 am: ba58c10a am: a979652c

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2478359



Change-Id: I20aa33d20bf49e09876900628967592669534a31
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>