hg: jdk/sandbox: 8239950: Update PKCS9 Attributes to PKCS#9 v2.0 Encodings

[chris.hegarty at oracle.com]

Changeset: ab0b56034852
Author:    jnimeh
Date:      2020-06-23 07:48 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/ab0b56034852

8239950: Update PKCS9 Attributes to PKCS#9 v2.0 Encodings
Reviewed-by: weijun

! src/java.base/share/classes/sun/security/pkcs/PKCS9Attribute.java
! src/java.base/share/classes/sun/security/util/DerValue.java
+ test/jdk/sun/security/pkcs/pkcs9/PKCS9AttrTypeTests.java