Kotlinify RequestOnlyHandler (#43743)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/43743

Changelog: [Internal]

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

Reviewed By: tdn120

Differential Revision: D55588782

fbshipit-source-id: 89f15fb55eaa338be97c938d6b23c3e77ce610f0

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/packagerconnection/RequestOnlyHandler.java

@@ -1,23 +0,0 @@
-/*
- * 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.packagerconnection;
-
-import androidx.annotation.Nullable;
-import com.facebook.common.logging.FLog;
-import com.facebook.infer.annotation.Nullsafe;
-
-@Nullsafe(Nullsafe.Mode.LOCAL)
-public abstract class RequestOnlyHandler implements RequestHandler {
-  private static final String TAG = JSPackagerClient.class.getSimpleName();
-
-  public abstract void onRequest(@Nullable Object params, Responder responder);
-
-  public final void onNotification(@Nullable Object params) {
-    FLog.e(TAG, "Notification is not supported");
-  }
-}

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/packagerconnection/RequestOnlyHandler.kt

@@ -0,0 +1,19 @@
+/*
+ * 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.packagerconnection
+
+import com.facebook.common.logging.FLog
+
+public abstract class RequestOnlyHandler : RequestHandler {
+
+  override abstract fun onRequest(params: Any?, responder: Responder)
+
+  override final fun onNotification(params: Any?) {
+    FLog.e(JSPackagerClient::class.java.simpleName, "Notification is not supported")
+  }
+}