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: 2854ab55 am: 55095392

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



Change-Id: Ic6cdb7cfd2bdecf087ede0d6bc2dd235707aca3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>