Expose JS Responder handler in Scheduler API

Summary: This diff implements the JSResponderHandler methods in the core of RN (scheduler API and friends)

Reviewed By: ejanzer

Differential Revision: D16543437

fbshipit-source-id: dac03e30c4330d182ecf134f3174ba942dbf7289

ReactAndroid/src/main/java/com/facebook/react/fabric/jni/Binding.cpp

@@ -724,6 +724,14 @@ void Binding::schedulerDidDispatchCommand(
   dispatchCommand(localJavaUIManager, shadowView.tag, command.get(), argsArray.get());
 }
 
+void Binding::schedulerDidSetJSResponder(
+    SurfaceId surfaceId,
+    const ShadowView &shadowView,
+    const ShadowView &initialShadowView,
+    bool blockNativeResponder) { }
+
+void Binding::schedulerDidClearJSResponder() { }
+
 void Binding::registerNatives() {
   registerHybrid(
       {makeNativeMethod("initHybrid", Binding::initHybrid),

ReactAndroid/src/main/java/com/facebook/react/fabric/jni/Binding.h

@@ -89,6 +89,14 @@ class Binding : public jni::HybridClass<Binding>, public SchedulerDelegate {
 
   void setPixelDensity(float pointScaleFactor);
 
+  void schedulerDidSetJSResponder(
+     SurfaceId surfaceId,
+     const ShadowView &shadowView,
+     const ShadowView &initialShadowView,
+     bool blockNativeResponder);
+
+  void schedulerDidClearJSResponder();
+
   void uninstallFabricUIManager();
 };