Merge "Update divider if split transition with display change" into udc-dev am: 895e7a93 am: b684c250

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23578870



Change-Id: I4c373b180662259da3b9059b81b115f3b9898a65
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>