Merge "Update the limit of split screen dialog strings." into udc-dev am: 8930e6ea am: e7edbd35

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/22532887



Change-Id: I0559df3f928c43b149443858f41e8f24d870caa4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>