Tune widget picker bottom sheet VisD for large screen

Test: Open widget picker by long pressing the home screen.
Open app specific widget picker by long pressing an app icon
that has widgets. Try both landscape and portrait, also on
phone/tablet/foldable.
Bug: 214215594

Change-Id: I7b4b3a8d7421f1d4df84d49a18b465693a17bd7b