Ensure thread safety in the exeuction of RuntimeExecutor

Summary: This diff ensures thread safety for operations invoked by the runtime executor

Reviewed By: shergin

Differential Revision: D13136340

fbshipit-source-id: 119092dff29b37f39d4bcdcc34f1c34d638b7e07

ReactAndroid/src/main/java/com/facebook/react/fabric/FabricBinding.java

@@ -7,12 +7,16 @@
 package com.facebook.react.fabric;
 
 import com.facebook.react.bridge.JavaScriptContextHolder;
+import com.facebook.react.bridge.queue.MessageQueueThread;
 
 public interface FabricBinding {
 
   // TODO: T31905686 change types of UIManager and EventBeatManager when moving to OSS
   void register(
-      JavaScriptContextHolder jsContext, FabricBinder fabricBinder, Object eventBeatManager);
+      JavaScriptContextHolder jsContext,
+      FabricBinder fabricBinder,
+      Object eventBeatManager,
+      MessageQueueThread jsMessageQueueThread);
 
   void unregister();
 }

ReactAndroid/src/main/jni/react/jni/BUCK

@@ -6,6 +6,7 @@ EXPORTED_HEADERS = [
     "CxxSharedModuleWrapper.h",
     "JavaModuleWrapper.h",
     "JavaScriptExecutorHolder.h",
+    "JMessageQueueThread.h",
     "JReactMarker.h",
     "JSLoader.h",
     "JSLogging.h",