Update GnubbyAuthHandler to use the current session ID

remoting/host/security_key/gnubby_auth_handler_mac.cc

Index: remoting/host/security_key/gnubby_auth_handler_mac.cc
diff --git a/remoting/host/security_key/gnubby_auth_handler_mac.cc b/remoting/host/security_key/gnubby_auth_handler_mac.cc
index de113a4d9f73325df82d79c82c282c214961ba7b..09f7f7c6f6b521245ebac175f29984938a94d9ec 100644
--- a/remoting/host/security_key/gnubby_auth_handler_mac.cc
+++ b/remoting/host/security_key/gnubby_auth_handler_mac.cc
@@ -9,7 +9,8 @@
 namespace remoting {
 
 std::unique_ptr<GnubbyAuthHandler> GnubbyAuthHandler::Create(
-    const SendMessageCallback& callback) {
+    ClientSessionDetails* client_session_details,
+    const SendMessageCallback& send_message_callback) {
   return nullptr;
 }