Merge "Revert "Make sure tasks below home task is invisible while in split""...

Merge "Revert "Make sure tasks below home task is invisible while in split"" into sc-dev am: 3afe697d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14440158

Change-Id: Icc20c5f7e6a8b82ed2d561eb4d80c01603ba676d