Merge "Merge "Add policies and enforce overlayable to header" into rvc-dev am:...

Merge "Merge "Add policies and enforce overlayable to header" into rvc-dev am: 2201f8b6 am: 64d0e6f3" into rvc-d1-dev-plus-aosp am: bec05804

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11481145

Change-Id: Id167a623f7e89f0b3eb7ead726b80a51dd5a5633