Fix plain VAB OTA failure am: 0a6ac9f16c am: f460853bf6 am: 1593d3f191

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2506304

Change-Id: Idfc6d678f8b610a4d49c40d924b326e5f500b236
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>