Revert "Handle resume of VABC updates by emitting labels" am: 59928f18f7 am: 123c3e136c

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/1496997

Change-Id: Iafc0e74f136b9a9dfaf3c515d7f63026d40c93d0