Merge "Skip close activity transition since no closing app can be visible" into sc-dev am: 590ccb4e am: 710881d1 am: cffed111

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14842876

Change-Id: I50df92439df5e2f9d0efa255366bb8890066d878