update_engine: use compression_factor am: 4ff049167e am: cc642af632

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2901155

Change-Id: I35d664e9950e27c710f1ae4dd32014a80c36edc9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>