Add native-side unit test for Android NetworkChangeNotifier

net/android/network_change_notifier_factory_android.cc

Index: net/android/network_change_notifier_factory_android.cc
diff --git a/net/android/network_change_notifier_factory_android.cc b/net/android/network_change_notifier_factory_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f15b39ab3202f2ba076e0f342471c8f002c04cb4
--- /dev/null
+++ b/net/android/network_change_notifier_factory_android.cc
@@ -0,0 +1,17 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/android/network_change_notifier_factory_android.h"
+
+#include "net/android/network_change_notifier_android.h"
+
+namespace net {
+
+NetworkChangeNotifierFactoryAndroid::NetworkChangeNotifierFactoryAndroid() {}
+
+NetworkChangeNotifier* NetworkChangeNotifierFactoryAndroid::CreateInstance() {
+  return new NetworkChangeNotifierAndroid();
+}
+
+}  // namespace net