hg: jdk8u/monojdk8u-dev: 8277224: sun.security.pkcs.PKCS9Attributes.toString() throws NPE

[zgu at redhat.com]

Changeset: 403b05d8c272
Author:    coffeys
Date:      2021-11-17 20:50 +0000
URL:       https://hg.openjdk.java.net/jdk8u/monojdk8u-dev/rev/403b05d8c272

8277224: sun.security.pkcs.PKCS9Attributes.toString() throws NPE
Reviewed-by: weijun

! jdk/src/share/classes/sun/security/pkcs/PKCS9Attributes.java
! jdk/test/sun/security/x509/AlgorithmId/NonStandardNames.java