Merge "Don’t dismiss split screen while were occluded" into udc-dev am: d543ee3d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21504131



Change-Id: Ieb1ea0e96cb12e2e2a1805e0f4eed8f1175c0105
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>