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

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

Change-Id: Ic7ceec47acffdcb8ea9394509bd5a365433b88ee