Add AIDL definitions for IBootControl am: c056242bdf am: 4a77acb781

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2050941

Change-Id: I4a001a1e7001edaaef3249fafdc69459539fd236
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>