Merge "Merge "Add policies and enforce overlayable to header" into rvc-dev am: 2201f8b6 am: 1b4cda22 am: 84623398" into rvc-qpr-dev-plus-aosp am: 1ec1fc79

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

Change-Id: I08143ce75076c1bef048c6cc03690f1a03ad2b8d