Switch to update engine stable v2 libs am: 39fe98202c

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2895960

Change-Id: I323e76a0639229b67c8b9d821fdb5a43cb037110
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>