Fix for client_engine_integration.py

blimp/engine/session/blimp_engine_session.cc

Index: blimp/engine/session/blimp_engine_session.cc
diff --git a/blimp/engine/session/blimp_engine_session.cc b/blimp/engine/session/blimp_engine_session.cc
index 8f12eeb08557c87227155f45479595313d6aac8b..aee2e39dcccd3944fc1ecd4a08eeeeb323cbdcfe 100644
--- a/blimp/engine/session/blimp_engine_session.cc
+++ b/blimp/engine/session/blimp_engine_session.cc
@@ -218,6 +218,10 @@ void EngineNetworkComponents::Initialize(
   net::IPEndPoint address(GetListeningAddress(), GetListeningPort());
   connection_manager_->ConnectTransport(&address, GetTransportType());
   port_ = address.port();
+
+  // Print the engine port for client_engine_integration script, please do not
+  // remove this log.
+  DVLOG(1) << "Engine port #: " << port_;
 }
 
 void EngineNetworkComponents::HandleConnection(