Merge "Add test service for HIDL active services callback." am: 3685d3bbc4 am: aa16f37448 am: c687ab1a20

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1755330

Change-Id: Ide39e811a244fdd5f15f68dda73faf8b6534cb44