Add inject-task-next-reboot debug command. am: 194757d2 am: cb6330c1

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



Change-Id: If2c0875cc06a00abd0f141b0b94026164180029c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>