Make Panel accept TitleItem for first row

Fixes: 128611750
Test: Manual
Change-Id: If1604f293d9fa7d538750a07cdbb729f5cc099dc

src/com/android/settings/panel/PanelSlicesAdapter.java

@@ -94,6 +94,7 @@ public class PanelSlicesAdapter
             super(view);
             sliceView = view.findViewById(R.id.slice_view);
             sliceView.setMode(SliceView.MODE_LARGE);
+            sliceView.showTitleItems(true);
             mPanelContent = panelContent;
         }