8169993: Class::desiredAssertionStatus should call getClassLoader0

Reviewed-by: psandoz

jdk/src/java.base/share/classes/java/lang/Class.java

@@ -3434,7 +3434,7 @@ public final class Class<T> implements java.io.Serializable,
      * @since  1.4
      */
     public boolean desiredAssertionStatus() {
-        ClassLoader loader = getClassLoader();
+        ClassLoader loader = getClassLoader0();
         // If the loader is null this is a system class, so ask the VM
         if (loader == null)
             return desiredAssertionStatus0(this);