Merge "Don‘t consider adjacent launch root if the existing task is't on top"...

Merge "Don‘t consider adjacent launch root if the existing task is't on top" into udc-dev am: 6f0bcaf4 am: e36af148 am: 17605548 am: 9970d55d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23129198



Change-Id: Icb67b1194db3b95c432807dca346e1e3e69c89d6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>