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

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



Change-Id: I2dfb141fdeee66baa14cdc30ef92d2267ffa501c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>