[Android] Add device serial to all host_controller log messages.

tools/android/forwarder2/host_forwarder_main.cc

 // 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 <errno.h>
 #include <signal.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ skipping 181 matching lines @@
       if (controllers_->find(controller_key) != controllers_->end()) {
         LOG(INFO) << "Already forwarding device port " << device_port
                   << " to host port " << host_port;
         SendMessage(base::StringPrintf("%d:%d", device_port, host_port),
                     client_socket.get());
         return;
       }
     }
     // Create a new host controller.
     std::unique_ptr<HostController> host_controller(HostController::Create(
-        device_port, host_port, adb_port, GetExitNotifierFD(),
+        device_serial, device_port, host_port, adb_port, GetExitNotifierFD(),
         base::Bind(&HostControllersManager::DeleteHostController,
                    weak_ptr_factory_.GetWeakPtr())));
     if (!host_controller.get()) {
       has_failed_ = true;
       SendMessage("ERROR: Connection to device failed.\n", client_socket.get());
       LogExistingControllers(client_socket);
       return;
     }
     // Get the current allocated port.
     device_port = host_controller->device_port();
@@ skipping 258 matching lines @@
 
   return client_delegate.has_failed() || daemon_delegate.has_failed();
 }
 
 }  // namespace
 }  // namespace forwarder2
 
 int main(int argc, char** argv) {
   return forwarder2::RunHostForwarder(argc, argv);
 }