Added update_metadata-protos-full am: 87484b05ea am: 4c018f41ed

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2316519

Change-Id: I89ff8aa7b5a02a5c030817590ca4c8ffd1fb513f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>