Introduce WillBeDeprecatedInNewArchitecture annotation (#39351)

Summary:
Pull Request resolved: #39351

In this diff I'm introducing the new WillBeDeprecatedInNewArchitecture annotation, the goal of this annotation is to describe that a class or method will be deprecated when the new architecture of react native is fully rolled out in
OSS.

changelog: [Android] Introduce WillBeDeprecatedInNewArchitecture annotation

Reviewed By: cortinico

Differential Revision: D49068234

fbshipit-source-id: 6ad14aa56db6b3401afed456535617bcd2d57635

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/annotations/DeprecatedInNewArchitecture.kt

@@ -0,0 +1,16 @@
+/*
+ * 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.common.annotations
+
+/**
+ * Annotates a method or class that will be deprecated once the NewArchitecture is fully released in
+ * OSS.
+ */
+@Retention(AnnotationRetention.SOURCE)
+@Target(AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+annotation class DeprecatedInNewArchitecture()