Handle option menu click in support tab.

Change-Id: I47b52ae25200c9fd5b948f1f85199b45f50f6b43
Fixes: 33703324
Test: RunSettingsRoboTests

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

@@ -84,6 +84,7 @@ public final class SupportFragment extends InstrumentedFragment implements View.
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
         mActivity = getActivity();
         mAccountManager = AccountManager.get(mActivity);
         mSupportFeatureProvider =