8242151: Improve OID mapping and reuse among JDK security providers for aliases registration

Use sun.security.util.KnownOIDs enum instead of hardcoding oid strings everywhere

Reviewed-by: weijun

src/java.base/share/classes/sun/security/pkcs/PKCS7.java

@@ -819,7 +819,7 @@ public class PKCS7 {
             unauthAttrs =
                 new PKCS9Attributes(new PKCS9Attribute[]{
                     new PKCS9Attribute(
-                        PKCS9Attribute.SIGNATURE_TIMESTAMP_TOKEN_STR,
+                        PKCS9Attribute.SIGNATURE_TIMESTAMP_TOKEN_OID,
                         tsToken)});
         }