face: group parameters to createFace and connect into a common structure

Change-Id: Icb6857602ed7e897be6c5334b05be23793d133bb
diff --git a/daemon/face/unix-stream-factory.cpp b/daemon/face/unix-stream-factory.cpp
index acbd543..439eff4 100644
--- a/daemon/face/unix-stream-factory.cpp
+++ b/daemon/face/unix-stream-factory.cpp
@@ -86,7 +86,7 @@
 }
 
 void
-UnixStreamFactory::createFace(const CreateFaceParams& params,
+UnixStreamFactory::createFace(const CreateFaceRequest& req,
                               const FaceCreatedCallback& onCreated,
                               const FaceCreationFailedCallback& onFailure)
 {