Add NavigationView usage to SupportDesignDemos

Change-Id: Ia9a4070dcae554970f0205a575d218fcb190f226

samples/SupportDesignDemos/res/values-v21/styles.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+
+    <style name="Theme.Navigation" parent="Theme.Navigation.Base">
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
+    </style>
+
+</resources>