Allow host cow_converter to change compression param am: 83bb5d5fd2 am: adab995b48

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2816329

Change-Id: I5defc828b1696f57760f300f3658c8f667899793
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>