Kotlinify ChoreographerProvider (#43840)

Summary:
Pull Request resolved: #43840

Changelog: [Internal]

As part of the Sustainability Week (see [post](https://fb.workplace.com/groups/251759413609061/permalink/742797531171911/)).

Differential Revision: D55731748

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/ChoreographerProvider.java → packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/ChoreographerProvider.kt

@@ -5,27 +5,26 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-package com.facebook.react.internal;
+package com.facebook.react.internal
 
 public interface ChoreographerProvider {
   /**
    * The interface to a android.view.Choreographer-like object, that can either use the
    * android.view.Choreographer or a mock one for testing purposes, or override built-in
    * android.view.Choreographer's behaviors.
    */
-  interface Choreographer {
-
+  public interface Choreographer {
     /** Posts a frame callback to run on the next frame. */
-    void postFrameCallback(android.view.Choreographer.FrameCallback callback);
+    public fun postFrameCallback(callback: android.view.Choreographer.FrameCallback)
 
     /** Removes a previously posted frame callback. */
-    void removeFrameCallback(android.view.Choreographer.FrameCallback callback);
+    public fun removeFrameCallback(callback: android.view.Choreographer.FrameCallback)
   }
 
   /**
    * Get an instance of Choreographer.
    *
    * @return An instance of Choreographer.
    */
-  Choreographer getChoreographer();
+  public fun getChoreographer(): Choreographer
 }