Replaced NavigationViewActions with espresso-contrib version

Author: slinzner

app/src/androidTest/java/com/example/android/testing/notes/custom/action/NavigationViewActions.java

@@ -35,10 +35,10 @@
 import static android.support.test.espresso.contrib.DrawerActions.open;
 import static android.support.test.espresso.contrib.DrawerMatchers.isClosed;
 import static android.support.test.espresso.contrib.DrawerMatchers.isOpen;
+import static android.support.test.espresso.contrib.NavigationViewActions.navigateTo;
 import static android.support.test.espresso.matcher.ViewMatchers.withContentDescription;
 import static android.support.test.espresso.matcher.ViewMatchers.withId;
 import static android.support.test.espresso.matcher.ViewMatchers.withText;
-import static com.example.android.testing.notes.custom.action.NavigationViewActions.navigateTo;
 
 /**
  * Tests for the {@link DrawerLayout} layout component in {@link NotesActivity} which manages