Add inject-task-next-reboot debug command. am: 194757d2 am: 76caebf8

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



Change-Id: Ib367ddecd7a2c98115d1c0de84b39ec983abd3cb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>