Disable scroll to top for now

If you go to one page, then another, then back to that page, it crashes because it calls an old saved controller for some reason and not a new (recreated?) one. Need bluelinelabs/Conductor#166

app/src/main/java/io/sweers/catchup/ui/controllers/PagerController.java

@@ -10,9 +10,9 @@
 import android.support.design.widget.TabLayout;
 import android.support.graphics.drawable.VectorDrawableCompat;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.util.SparseArrayCompat;
 import android.support.v4.view.ViewPager;
 import android.support.v7.widget.Toolbar;
-import android.util.SparseArray;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -98,7 +98,7 @@ public class PagerController extends BaseController {
 
   // Ew, but the only way to get the controller later
   // https://github.com/bluelinelabs/Conductor/issues/166
-  private SparseArray<Controller> controllers = new SparseArray<>();
+  private SparseArrayCompat<Controller> controllers = new SparseArrayCompat<>();
 
   public PagerController() {
     pagerAdapter = new ControllerPagerAdapter(this, true) {
@@ -268,7 +268,7 @@ public void onTabUnselected(TabLayout.Tab tab) {
       public void onTabReselected(TabLayout.Tab tab) {
         Controller controller = controllers.get(tab.getPosition());
         if (controller instanceof Scrollable) {
-          ((Scrollable) controller).onRequestScrollToTop();
+//          ((Scrollable) controller).onRequestScrollToTop();
           appBarLayout.setExpanded(true, true);
         }
       }