Merge "Detect downgrade by checking build time for all partitions" into main...

Merge "Detect downgrade by checking build time for all partitions" into main am: fb5630b3 am: fb962534

Original change: https://android-review.googlesource.com/c/platform/build/+/2878035



Change-Id: Idf3e9596dbdce573e0ce321d46b13af762f3b1f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>