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

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



Change-Id: Ie329f5db30d4f4f90331f66d01811eebd9e4ad9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>