Merge "Track recents like home for times when it is separated" into rvc-dev...

Merge "Track recents like home for times when it is separated" into rvc-dev am: c5304b1a am: 4529987a am: cfcada36

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11854925

Change-Id: I5bba3743c9de10d04f1069e17698e08bcbe91a00