Fix broken tests.

- Missing a comma in one of the focus logic test matrices
- Disable QuickAddwidgetTest, because it isn't that useful and is
  flaky by nature.

Change-Id: Ia85fa578ea563ca525419b68ffcf90cfef8f86d0

tests/src/com/android/launcher3/util/FocusLogicTest.java

@@ -216,7 +216,7 @@ public final class FocusLogicTest extends AndroidTestCase {
                 { -1, -1, -1,  0, -1},
                 {-11,-11,-11,-11,  2},
                 { -1,  1, -1, -1, -1},
-                { -1, -1  -1, -1, -1},
+                { -1, -1, -1, -1, -1},
         });
         i = FocusLogic.handleKeyEvent(KeyEvent.KEYCODE_DPAD_LEFT, map, 0, 1, 1, true);
         assertEquals(1, i);