update_engine: add error log am: 1e56e35301 am: 60e7047cf2

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2932912

Change-Id: I554274ca8dce5319fba4015336d2a08e2ae9ad1e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>