[automerger skipped] Add mechanism for a task's windows to be trusted overlays...

[automerger skipped] Add mechanism for a task's windows to be trusted overlays (SF) am: 7605fb42 am: 4df1658e -s ours am: ede8f4d5 -s ours am: c4b83bac -s ours

am skip reason: Merged-In Id92ccb087bd0d8dbaeeef3ba50b67fe015e53db8 with SHA-1 a30f7c99 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15975348

Change-Id: I85e1f2d7c00ad4bbf9bdb0b5e8d271697de1d118