Merge "Mark screen decorations as trusted overlays" into rvc-dev am:...

Merge "Mark screen decorations as trusted overlays" into rvc-dev am: bb3f22df am: 5448bd7e am: f159de0d am: ff0fc9a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16222361

Change-Id: Iea7cabede835d5e8982950018242d6d936c44f02