Move mojo/runner to mojo/shell/standalone

mojo/shell/standalone/android/main.h

 // Copyright 2013 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_MAIN_H_
-#define MOJO_RUNNER_ANDROID_MAIN_H_
+#ifndef MOJO_SHELL_STANDALONE_ANDROID_MAIN_H_
+#define MOJO_SHELL_STANDALONE_ANDROID_MAIN_H_
 
 #include <jni.h>
 
 namespace mojo {
-namespace runner {
+namespace shell {
 
 class Context;
 
 bool RegisterShellMain(JNIEnv* env);
 
 Context* GetContext();
 
-}  // namespace runner
+}  // namespace shell
 }  // namespace mojo
 
-#endif  // MOJO_RUNNER_ANDROID_MAIN_H_
+#endif  // MOJO_SHELL_STANDALONE_ANDROID_MAIN_H_