8231262: Suppress warnings on non-serializable instance fields in security libs serializable classes

Reviewed-by: mullan, chegar

src/java.base/share/classes/sun/security/x509/AlgorithmId.java

@@ -72,6 +72,7 @@ public class AlgorithmId implements Serializable, DerEncoder {
     private ObjectIdentifier algid;
 
     // The (parsed) parameters
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private AlgorithmParameters algParams;
     private boolean constructedFromDer = true;
 
@@ -80,6 +81,7 @@ public class AlgorithmId implements Serializable, DerEncoder {
      * DER-encoded form; subclasses can be made to automaticaly parse
      * them so there is fast access to these parameters.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected DerValue          params;