Convert FakeEventDispatcher to kotlin (#37739)

Summary:
Part of #37708
Convert FakeEventDispatcher to Kotlin
## Changelog:

<!-- Help reviewers and the release process by writing your own changelog entry.

Pick one each for the category and type tags:

[ANDROID|GENERAL|IOS|INTERNAL] [BREAKING|ADDED|CHANGED|DEPRECATED|REMOVED|FIXED|SECURITY] - Message

For more details, see:
https://reactnative.dev/contributing/changelogs-in-pull-requests
-->
[Internal][Changed]: Convert FakeEventDispatcher to Kotlin

Pull Request resolved: #37739

Test Plan:
```
./gradlew :packages:react-native:ReactAndroid:test
```

Reviewed By: rshest

Differential Revision: D46514164

Pulled By: cortinico

fbshipit-source-id: 355f568ad9b36073aa9f1981472a2c7567e7ab2d

packages/react-native/ReactAndroid/src/test/java/com/facebook/react/fabric/interop/FakeEventDispatcher.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.fabric.interop
+
+import com.facebook.react.uimanager.events.BatchEventDispatchedListener
+import com.facebook.react.uimanager.events.Event
+import com.facebook.react.uimanager.events.EventDispatcher
+import com.facebook.react.uimanager.events.EventDispatcherListener
+import com.facebook.react.uimanager.events.RCTEventEmitter
+import com.facebook.react.uimanager.events.RCTModernEventEmitter
+
+@SuppressWarnings("rawtypes")
+class FakeEventDispatcher : EventDispatcher {
+  private val recordedDispatchedEvents = mutableListOf<Event<*>>()
+
+  fun getRecordedDispatchedEvents(): List<Event<*>> {
+    return recordedDispatchedEvents
+  }
+
+  override fun dispatchEvent(event: Event<*>) {
+    recordedDispatchedEvents.add(event)
+  }
+
+  override fun dispatchAllEvents() {}
+
+  override fun addListener(listener: EventDispatcherListener) {}
+
+  override fun removeListener(listener: EventDispatcherListener) {}
+
+  override fun addBatchEventDispatchedListener(listener: BatchEventDispatchedListener) {}
+
+  override fun removeBatchEventDispatchedListener(listener: BatchEventDispatchedListener) {}
+
+  override fun registerEventEmitter(uiManagerType: Int, eventEmitter: RCTEventEmitter) {}
+
+  override fun registerEventEmitter(uiManagerType: Int, eventEmitter: RCTModernEventEmitter) {}
+
+  override fun unregisterEventEmitter(uiManagerType: Int) {}
+
+  override fun onCatalystInstanceDestroyed() {}
+}

packages/react-native/ReactAndroid/src/test/java/com/facebook/react/fabric/interop/InteropEventEmitterTest.java

@@ -39,9 +39,10 @@ public void receiveEvent_dispatchesCorrectly() {
 
     eventEmitter.receiveEvent(42, "onTest", null);
 
-    assertEquals(1, mEventDispatcher.recordedDispatchedEvents.size());
-    assertEquals("onTest", mEventDispatcher.recordedDispatchedEvents.get(0).getEventName());
-    assertEquals(InteropEvent.class, mEventDispatcher.recordedDispatchedEvents.get(0).getClass());
+    assertEquals(1, mEventDispatcher.getRecordedDispatchedEvents().size());
+    assertEquals("onTest", mEventDispatcher.getRecordedDispatchedEvents().get(0).getEventName());
+    assertEquals(
+        InteropEvent.class, mEventDispatcher.getRecordedDispatchedEvents().get(0).getClass());
   }
 
   @Test
@@ -52,7 +53,7 @@ public void receiveEvent_dataIsPreserved() {
 
     eventEmitter.receiveEvent(42, "onTest", eventData);
 
-    InteropEvent event = (InteropEvent) mEventDispatcher.recordedDispatchedEvents.get(0);
+    InteropEvent event = (InteropEvent) mEventDispatcher.getRecordedDispatchedEvents().get(0);
     WritableMap dispatchedEventData = event.getEventData();
     assertNotNull(dispatchedEventData);
     assertEquals("indigo", dispatchedEventData.getString("color"));