Add inject-task-next-reboot debug command. am: 194757d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/22748582



Change-Id: Id3ada171a4e9b09d9de534aadbba2598c298283e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>