src: make deleted function public in agent.h

Signed-off-by: gengjiawen <technicalcute@gmail.com>

PR-URL: #25909
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>

Author: gengjiawen

src/tracing/agent.h

@@ -63,12 +63,12 @@ class AgentWriterHandle {
 
   inline v8::TracingController* GetTracingController();
 
- private:
-  inline AgentWriterHandle(Agent* agent, int id) : agent_(agent), id_(id) {}
-
   AgentWriterHandle(const AgentWriterHandle& other) = delete;
   AgentWriterHandle& operator=(const AgentWriterHandle& other) = delete;
 
+ private:
+  inline AgentWriterHandle(Agent* agent, int id) : agent_(agent), id_(id) {}
+
   Agent* agent_ = nullptr;
   int id_;