Merge "Move staging value application logic to persistent_properties and add...

Merge "Move staging value application logic to persistent_properties and add unit tests" into main am: fa21f12e am: 45663510 am: b6ff65b0

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2801973



Change-Id: I51a08d46a68c5f4b04d9c595ac8af9472f8b20f3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>