Fix crash with qc

 Bug: 5439827

Change-Id: Ic561a5c7689410dd917e01c27e9b454a8722f957
diff --git a/src/com/android/browser/NavScreen.java b/src/com/android/browser/NavScreen.java
index 45b1dcc..14b1e84 100644
--- a/src/com/android/browser/NavScreen.java
+++ b/src/com/android/browser/NavScreen.java
@@ -110,7 +110,8 @@
     }
 
     public void refreshAdapter() {
-        mAdapter.notifyDataSetChanged();
+        mScroller.handleDataChanged(
+                mUiController.getTabControl().getTabPosition(mUi.getActiveTab()));
     }
 
     private void init() {