Moving KitchenSink off legacy CarActivity

- Switched it to new CarDrawerActivity/Adapter.
- Removed Keyboard test since it was using legacy CarDrawer API that we
  don't have replacement for.

Change-Id: Ie3edfeeec6de2ba4fe273834583070adfb5b091c
Bug: 32019250
Test: Exercised features
8 files changed