[RESTRICT AUTOMERGE] Revert "Require permission to create trusted displays" am: ae03031efe am: 6c079ef0b5 am: f0daa2119f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12716107

Change-Id: Ib77f65d1423db3ff9c52c15eed61995b56f75657