Merge "bootctl: check for nullptr" into main am: 5ee2652c7b

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3315633

Change-Id: I63d7f1e56de1e05d7535777d5fdfe904ab24dadd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>