Make DropDown shadow themeable

This change is needed to correspond to DropDown appearance support -
change 24263.
3 files changed
tree: f662761721a4efa93de2a8b9e1bba1b9fe0a3784
  1. bundles/
  2. examples/
  3. features/
  4. releng/
  5. tests/
  6. .gitignore
  7. component.xml