Migrate NativeArray classes to Kotlin (facebook#44569)

Summary:
Pull Request resolved: facebook#44569

# Changelog:
[Internal] -

This converts the vertical of NativeArray/ReadableNativeArray/WritableNativeArray classes to Kotlin.

Differential Revision: https://internalfb.com/D57327835

packages/react-native/ReactAndroid/api/ReactAndroid.api

@@ -955,10 +955,14 @@ public class com/facebook/react/bridge/ModuleSpec {
 }
 
 public abstract class com/facebook/react/bridge/NativeArray : com/facebook/react/bridge/NativeArrayInterface {
+	protected static final field Companion Lcom/facebook/react/bridge/NativeArray$Companion;
 	protected fun <init> (Lcom/facebook/jni/HybridData;)V
 	public fun toString ()Ljava/lang/String;
 }
 
+protected final class com/facebook/react/bridge/NativeArray$Companion {
+}
+
 public abstract interface class com/facebook/react/bridge/NativeArrayInterface {
 	public abstract fun toString ()Ljava/lang/String;
 }
@@ -1382,6 +1386,7 @@ public abstract interface class com/facebook/react/bridge/ReadableMapKeySetItera
 }
 
 public class com/facebook/react/bridge/ReadableNativeArray : com/facebook/react/bridge/NativeArray, com/facebook/react/bridge/ReadableArray {
+	public static final field Companion Lcom/facebook/react/bridge/ReadableNativeArray$Companion;
 	protected fun <init> (Lcom/facebook/jni/HybridData;)V
 	public fun equals (Ljava/lang/Object;)Z
 	public synthetic fun getArray (I)Lcom/facebook/react/bridge/ReadableArray;
@@ -1390,7 +1395,7 @@ public class com/facebook/react/bridge/ReadableNativeArray : com/facebook/react/
 	public fun getDouble (I)D
 	public fun getDynamic (I)Lcom/facebook/react/bridge/Dynamic;
 	public fun getInt (I)I
-	public static fun getJNIPassCounter ()I
+	public static final fun getJNIPassCounter ()I
 	public fun getLong (I)J
 	public synthetic fun getMap (I)Lcom/facebook/react/bridge/ReadableMap;
 	public fun getMap (I)Lcom/facebook/react/bridge/ReadableNativeMap;
@@ -1402,6 +1407,10 @@ public class com/facebook/react/bridge/ReadableNativeArray : com/facebook/react/
 	public fun toArrayList ()Ljava/util/ArrayList;
 }
 
+public final class com/facebook/react/bridge/ReadableNativeArray$Companion {
+	public final fun getJNIPassCounter ()I
+}
+
 public class com/facebook/react/bridge/ReadableNativeMap : com/facebook/react/bridge/NativeMap, com/facebook/react/bridge/ReadableMap {
 	protected fun <init> (Lcom/facebook/jni/HybridData;)V
 	public fun equals (Ljava/lang/Object;)Z
@@ -1527,7 +1536,7 @@ public abstract interface class com/facebook/react/bridge/WritableMap : com/face
 	public abstract fun putString (Ljava/lang/String;Ljava/lang/String;)V
 }
 
-public class com/facebook/react/bridge/WritableNativeArray : com/facebook/react/bridge/ReadableNativeArray, com/facebook/react/bridge/WritableArray {
+public final class com/facebook/react/bridge/WritableNativeArray : com/facebook/react/bridge/ReadableNativeArray, com/facebook/react/bridge/WritableArray {
 	public fun <init> ()V
 	public fun pushArray (Lcom/facebook/react/bridge/ReadableArray;)V
 	public fun pushBoolean (Z)V

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/NativeArray.kt

@@ -0,0 +1,25 @@
+/*
+ * 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.bridge
+
+import com.facebook.jni.HybridData
+import com.facebook.proguard.annotations.DoNotStrip
+
+/** Base class for an array whose members are stored in native code (C++). */
+@DoNotStrip
+public abstract class NativeArray
+protected constructor(@field:DoNotStrip private val mHybridData: HybridData?) :
+    NativeArrayInterface {
+  external override fun toString(): String
+
+  protected companion object {
+    init {
+      ReactBridge.staticInit()
+    }
+  }
+}

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/ReadableArray.kt

@@ -14,7 +14,7 @@ import java.util.ArrayList
  * to Kotlin.
  */
 public interface ReadableArray {
-  public fun getArray(index: Int): ReadableArray
+  public fun getArray(index: Int): ReadableArray?
 
   public fun getBoolean(index: Int): Boolean
 
@@ -26,15 +26,15 @@ public interface ReadableArray {
 
   public fun getLong(index: Int): Long
 
-  public fun getMap(index: Int): ReadableMap
+  public fun getMap(index: Int): ReadableMap?
 
-  public fun getString(index: Int): String
+  public fun getString(index: Int): String?
 
   public fun getType(index: Int): ReadableType
 
   public fun isNull(index: Int): Boolean
 
   public fun size(): Int
 
-  public fun toArrayList(): ArrayList<Any>
+  public fun toArrayList(): ArrayList<Any?>
 }