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: e49dcfca am: 8e169c4b

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



Change-Id: I21a7aa9f5de42104897951dfdb67e448ec8a9e2b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>