Merge "Update the limit of split screen dialog strings." into udc-dev am: 8930e6ea am: 1599bc7b

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



Change-Id: I92bfc5bc0c396ba8515184b0ee2324dfa1057d90
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>