Merge "Make IRPC v3 optionally backwards compatible" am: 79b72fece3 am: b240b680b4 am: 5c154ad414

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2322763

Change-Id: I0123c8283c2d2b2ecc3c2f5628eede82726fd6ba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>