8266459: Implement JEP 411: Deprecate the Security Manager for Removal

Co-authored-by: Sean Mullan <mullan@openjdk.org>
Co-authored-by: Lance Andersen <lancea@openjdk.org>
Co-authored-by: Weijun Wang <weijun@openjdk.org>
Reviewed-by: erikj, darcy, chegar, naoto, joehw, alanb, mchung, kcr, prr, lancea

src/java.base/share/classes/java/io/RandomAccessFile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -239,6 +239,7 @@ public class RandomAccessFile implements DataOutput, DataInput, Closeable {
                                                + "\" must be one of "
                                                + "\"r\", \"rw\", \"rws\","
                                                + " or \"rwd\"");
+        @SuppressWarnings("removal")
         SecurityManager security = System.getSecurityManager();
         if (security != null) {
             security.checkRead(name);