Merge "Revert "Post a silent notification if screenshot is dismissed"" into rvc-dev am: 3a9ce8d11a am: 6025e31c64 am: 29f33b805b am: 9519294d6b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11851515

Change-Id: Id4076aad4fe8dc357c6eb39a4eccf223e17a66d4