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

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



Change-Id: I0ec50ae9cb9fe08639ad870d0fd6681466f8edc6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>