Fix crash when adding account

Remove the listener in onStop(), to be symmetrical with onStart().

Bug: 14393261
Change-Id: I5d4f0ca38d5ef52b97715b8f3791ff2a400c68e2

src/com/android/settings/dashboard/DashboardSummary.java

@@ -127,8 +127,8 @@ public class DashboardSummary extends Fragment implements OnAccountsUpdateListen
     }
 
     @Override
-    public void onPause() {
-        super.onPause();
+    public void onStop() {
+        super.onStop();
 
         AccountManager.get(getActivity()).removeOnAccountsUpdatedListener(this);
     }