Add remote access HAL interface and ref impl. am: 7a5283fda1 am: bf06ca6da7

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2269305

Change-Id: Ibb61505b8a767c75d0f565b8556078c6548b74a0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>