Allow Toolbar's search icon to be changed, and remove custom menu items

To go along with removing custom MenuItems, added setShowIconAndTitle()
and setTinted() to support the user button in CarSettings.

Also allow setting the logo to a Drawable or Bitmap

Fixes: 141570775
Test: Manually
Change-Id: Ic01ab4390f9154a1dedb9a020c5f172e975ffe65
10 files changed