update_engine: change notication order am: 57497984e2 am: 79fcc04fe4

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/3201753

Change-Id: Ia8a7978ca65df7a7524ac812421ec0498bb9dc99
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>