Only show settings drawer on top level items

Bug: 26080590
Change-Id: Id5047ef89832eb455719cd57b0e853a97d538a69

src/com/android/settings/SettingsActivity.java

@@ -774,6 +774,9 @@ public class SettingsActivity extends SettingsDrawerActivity
             onQueryTextSubmit(mSearchQuery);
         }
         updateTilesList();
+        if (mIsShowingDashboard) {
+            showMenuIcon();
+        }
     }
 
     @Override