Merge "Only apply transient visibility for root task" into udc-dev am:...

Merge "Only apply transient visibility for root task" into udc-dev am: deaed7c7 am: 1b7654b6 am: 1a8f249e am: 282e869f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23557640



Change-Id: Ie7f494e5b0f8b0aa44ce30bbb4acd62fe46f97ea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>