Disable XOR ops if compression is set to none am: 49c06b2df8 am: 388c881f72 am: 97b48e8a55

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2886531

Change-Id: I7d41e59cad88ef6f33abdfa2bb083ad2bceee9de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>