disable op count overhead for v2 am: 6548116177 am: 73acff7681

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/3048818

Change-Id: If7f351f6098af3962e24d160a862668915f653f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>