Styling doesn't look exactly right yet but there's a bar.
Creates an ItemDecoration to add a spacer above the first view.
Removes the action bar and replaces it with a SearchView
inside of a CardView.
Remaining work: pixel pushing
Bug: 37477506
Test: make RunSettingsRoboTests
Change-Id: I4a0f0c91c51ff5820b61a596520d80a3337c3466
893cb0987a