Load layout specific breadcrumb view.

Load layout specific breadcrumb view.

Because two diffrn't view types can't share an resource id....
else we get ClassCastExceptions bubbling out of Spinner when
tryihng to restore from RecyclerView state.

Also:
Move Bots to own file and make BaseBot inner to that.
Extract searchbot from UiBot.
Fix broken search icon logic in phone layout.
Separate somewhat complicated breadcrumb bot functioanlity in a separate bot.
Simplify Search test.
Check for drawer vs. fixed layout instead of "tablet" mode...which didn't
    work when rotating tablets.
Update a dialog entry to use Espresso.
Update breadcrumb stuff to use Espresso.
Move *default state* checking to a different test so we can
    enjoy the default location support from ActivityTest.

Change-Id: I0a60ba93a1cbbb990ec3b36d4f9fd5dc8b86ff00