am a9095e07: Remove NPE inside WidgetsListAdapter during monkey actor test b/22518383

* commit 'a9095e07ddd2318ceb81a2794219e07dd112df72':
  Remove NPE inside WidgetsListAdapter during monkey actor test b/22518383

src/com/android/launcher3/widget/WidgetsListAdapter.java

@@ -87,6 +87,9 @@ public class WidgetsListAdapter extends Adapter<WidgetsRowViewHolder> {
 
     @Override
     public int getItemCount() {
+        if (mWidgetsModel == null) {
+            return 0;
+        }
         return mWidgetsModel.getPackageSize();
     }