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

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

Change-Id: I580a7c859f1e343c1704916eab90d9b328ec2bf1