[Android] Add a Java version of net::test_server::EmbeddedTestServer.

net/test/embedded_test_server/embedded_test_server.h

 // 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.
 
 #ifndef NET_TEST_EMBEDDED_TEST_SERVER_EMBEDDED_TEST_SERVER_H_
 #define NET_TEST_EMBEDDED_TEST_SERVER_EMBEDDED_TEST_SERVER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 188 matching lines @@
 
   base::ThreadChecker thread_checker_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<EmbeddedTestServer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EmbeddedTestServer);
 };
 
-}  // namespace test_servers
+}  // namespace test_server
 }  // namespace net
 
 #endif  // NET_TEST_EMBEDDED_TEST_SERVER_EMBEDDED_TEST_SERVER_H_