Support ZERO op in ota extractor am: cf323870b4 am: b7a66ff8c1 am: 9ffb6c0508 am: 0b5e52a8d1

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2045685

Change-Id: I8b00c9c26d35cc555067dd004054087e2e183bbe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>