Start all help intents as startActivityForResult

So that the receiver may verify identity if they so desire...

Bug: 21849741
Change-Id: I2e2c3f674a8be88f22e051e2affb54df2f1c3eed
diff --git a/src/com/android/settings/DataUsageSummary.java b/src/com/android/settings/DataUsageSummary.java
index a4ee9616..4b3a7f7 100644
--- a/src/com/android/settings/DataUsageSummary.java
+++ b/src/com/android/settings/DataUsageSummary.java
@@ -588,7 +588,7 @@
         final MenuItem help = menu.findItem(R.id.data_usage_menu_help);
         String helpUrl;
         if (!TextUtils.isEmpty(helpUrl = getResources().getString(R.string.help_url_data_usage))) {
-            HelpUtils.prepareHelpMenuItem(context, help, helpUrl, getClass().getName());
+            HelpUtils.prepareHelpMenuItem(getActivity(), help, helpUrl, getClass().getName());
         } else {
             help.setVisible(false);
         }