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 am: 438b0a98 am: a0044364 am: 714af9f8

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



Change-Id: I5be7cb45ea78b720eee0e24089241bd4a77e856d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>