Merge "Drop the cloned windows from visible window list" into tm-dev am:...

Merge "Drop the cloned windows from visible window list" into tm-dev am: 8ef35112 am: 2684945f am: b922d9d1 am: 65afc778

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18659076



Change-Id: Iec2e58c099c9642eb307506380951f4c5f24365e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>