Merge "Fix not showing divider when re-entering split with rotation" into udc-dev am: a30b77d0 am: 2e49d3ec

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23056499



Change-Id: Ia8a53c767bb1c597c0deced65bfaa4a0c5a64926
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>