Merge "Revert "Post a silent notification if screenshot is dismissed"" into rvc-dev am: 3a9ce8d11a am: 8fce67ebd3 am: 116b1bbfc8

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

Change-Id: If7a7ef87e22e8f70f0b170e0d3cb8e7fbc048ca5