Merge "Skip marking recents as pending top if it is already on top" into...

Merge "Skip marking recents as pending top if it is already on top" into sc-dev am: 0c94b529 am: 72c1fe68 am: 7fc37a37

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15259271

Change-Id: I3e627005074f6d8f878178fcf31ad27be48bde53