Merge "Mark screen decorations as trusted overlays" into rvc-dev am: bb3f22df9a am: 5448bd7ed3 am: f159de0dcf am: 603e4d74fd

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

Change-Id: I7682e8ff23c55bb9c72cc5251eb91487ce042580