Merge "Drop the cloned windows from visible window list" into tm-dev am: 8ef35112

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



Change-Id: I82d17468f7e653b937c644220ea3b9df13b7f002
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>