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/lang/reflect/AccessibleObject.java

@@ -82,6 +82,7 @@ public class AccessibleObject implements AnnotatedElement {
     }
 
     static void checkPermission() {
+        @SuppressWarnings("removal")
         SecurityManager sm = System.getSecurityManager();
         if (sm != null) {
             // SecurityConstants.ACCESS_PERMISSION is used to check
@@ -483,6 +484,7 @@ public class AccessibleObject implements AnnotatedElement {
     // Reflection factory used by subclasses for creating field,
     // method, and constructor accessors. Note that this is called
     // very early in the bootstrapping process.
+    @SuppressWarnings("removal")
     static final ReflectionFactory reflectionFactory =
         AccessController.doPrivileged(
             new ReflectionFactory.GetReflectionFactoryAction());