Split off MessageQueueThread header to separate target (#53857)

Summary:
Pull Request resolved: #53857

Changelog: [Internal]

Reviewed By: cortinico

Differential Revision: D82625359

fbshipit-source-id: 7650dcd424299a21388c7bcf6c33c89b9f09171d

Author: javache

packages/react-native/ReactCommon/jsitooling/react/runtime/JSRuntimeFactory.h

@@ -9,13 +9,13 @@
 
 #ifdef __cplusplus
 
-#include <ReactCommon/RuntimeExecutor.h>
-#include <cxxreact/MessageQueueThread.h>
 #include <jsi/jsi.h>
 #include <jsinspector-modern/ReactCdp.h>
 
 namespace facebook::react {
 
+class MessageQueueThread;
+
 /**
  * An interface that represents an instance of a JS VM
  */