Remove duplicate application cpp files in mojo/application.

mojo/runner/android/android_handler.h

 // Copyright 2014 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.
 
 #ifndef MOJO_RUNNER_ANDROID_ANDROID_HANDLER_H_
 #define MOJO_RUNNER_ANDROID_ANDROID_HANDLER_H_
 
 #include <jni.h>
 
-#include "mojo/application/content_handler_factory.h"
 #include "mojo/application/public/cpp/application_delegate.h"
+#include "mojo/application/public/cpp/content_handler_factory.h"
 #include "mojo/application/public/cpp/interface_factory_impl.h"
 #include "mojo/application/public/interfaces/content_handler.mojom.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace mojo {
 namespace runner {
 
@@ skipping 15 matching lines @@
   ContentHandlerFactory content_handler_factory_;
   MOJO_DISALLOW_COPY_AND_ASSIGN(AndroidHandler);
 };
 
 bool RegisterAndroidHandlerJni(JNIEnv* env);
 
 }  // namespace runner
 }  // namespace mojo
 
 #endif  // MOJO_RUNNER_ANDROID_ANDROID_HANDLER_H_