Merge "Retrieve help URL" into qt-r1-dev

am: 509d6bcf73

Change-Id: I5c91bf36d89d9463ac74db4b949deb6abe7af58a

src/com/android/settings/biometrics/face/FaceSettings.java

@@ -228,6 +228,11 @@ public class FaceSettings extends DashboardFragment {
         }
     }
 
+    @Override
+    public int getHelpResource() {
+        return R.string.help_url_face;
+    }
+
     @Override
     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
         if (!isAvailable(context)) {