update_engine: temporary estimation solution am: b06aeb7f14

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2928753

Change-Id: I241441b3e90550be559e0845d76ba4a8cc6366dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>