update showing roaming disconnected to point to the new settings UI
Bug: 118499811
Test: Manual

Change-Id: I8a6ff5e92f41a7ecf95892670fcf7a7c84b2a648
diff --git a/src/com/android/phone/NotificationMgr.java b/src/com/android/phone/NotificationMgr.java
index de3fffc..942c1e2 100644
--- a/src/com/android/phone/NotificationMgr.java
+++ b/src/com/android/phone/NotificationMgr.java
@@ -569,9 +569,8 @@
         if (DBG) log("showDataDisconnectedRoaming()...");
 
         // "Mobile network settings" screen / dialog
-        Intent intent = new Intent(mContext, com.android.phone.MobileNetworkSettings.class);
+        Intent intent = new Intent(Settings.ACTION_DATA_ROAMING_SETTINGS);
         intent.putExtra(Settings.EXTRA_SUB_ID, subId);
-        intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
         PendingIntent contentIntent = PendingIntent.getActivity(mContext, subId, intent, 0);
 
         final CharSequence contentText = mContext.getText(R.string.roaming_reenable_message);