Merge "Post a notification if reboot to DSU failed" am: 5432af8406 am: dcdec0017e am: 3a3ec27223 am: 07f7f83826

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1404648

Change-Id: Id44cf8686e0f46f3705a52b9bcda041f3f51f5c6