media.bufferpool2: Support receiver side initated buffer transfer am: ae009083

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2912757



Change-Id: I26ca569397062205c58e08a8b8e5a143ebd43280
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>