Merge "Add horizontal dividers to UI per mocks" into udc-dev am: 4ecbfd778a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/22575341

Change-Id: Iadad5b2cfbe9a3735c5a942979c36d79fa2c6c98
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>