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

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

Change-Id: I7eeb3a5bafda2a83f989bba1f6f010270e0eeb8d