[remoting android] Add native library and JNI glue for host.

remoting/host/android/jni_host.h

-// Copyright 2015 The Chromium Authors. All rights reserved.
+// Copyright 2016 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 REMOTING_CLIENT_JNI_JNI_CLIENT_H_
-#define REMOTING_CLIENT_JNI_JNI_CLIENT_H_
+#ifndef REMOTING_HOST_ANDROID_JNI_HOST_H_
+#define REMOTING_HOST_ANDROID_JNI_HOST_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 
 namespace remoting {
 
-class JniClient {
+class JniHost {
  public:
-  JniClient();
-  ~JniClient();
+  JniHost();
+  ~JniHost();
 
   // Register C++ methods exposed to Java using JNI.
   static bool RegisterJni(JNIEnv* env);
 
   void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& caller);
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(JniClient);
+  DISALLOW_COPY_AND_ASSIGN(JniHost);
 };
 
 }  // namespace remoting
 
-#endif  // REMOTING_CLIENT_JNI_JNI_CLIENT_H_
+#endif  // REMOTING_HOST_ANDROID_JNI_HOST_H_