Fix vabc-none option on device am: 730d5d630c

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2818660

Change-Id: I6d772e83224a55f839f615d7d3f754726270ccb2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>