Merge "Hide animated ghost when underlying view is detached from window." into...

Merge "Hide animated ghost when underlying view is detached from window." into udc-dev am: abd3cd92 am: 4b585d74 am: afe1fe30 am: 3c0ef806

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23729447



Change-Id: If4f41c819aa45039ad85ba8cd56b136345c3dd70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>