update_engine: typo am: b66e62c7dd am: 066861b925

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2971282

Change-Id: Id9bfbd8e849080362637ed1fda278eda0332aa6d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>