Overriding onHoverEvent to prevent default propagation.

Change-Id: I64cda2a3342fe256629490e0c557b500ec75034b

src/com/android/launcher2/PagedView.java

@@ -1848,4 +1848,9 @@ public abstract class PagedView extends ViewGroup {
         return String.format(mContext.getString(R.string.default_scroll_format),
                 page + 1, getChildCount());
     }
+
+    @Override
+    public boolean onHoverEvent(android.view.MotionEvent event) {
+        return true;
+    }
 }