Merge "Skip transfer starting window from above if current activity has...

Merge "Skip transfer starting window from above if current activity has drawn." into udc-dev am: e765320b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23629576



Change-Id: Id9caa7464b501aaa627f504cf4e59145c1844c54
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>