Merge "Add test service for HIDL active services callback." am: 3685d3bbc4 am: aa16f37448 am: c687ab1a20 am: 94b3422f62

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

Change-Id: I15b8bc93787ed9f2438e2c752e3f4bdeaab21d97