git: openjdk/jdk13u-dev: 8280373: Update Xalan serializer / SystemIDResolver to align with JDK-8270492

[Olga Mikhaltsova]

Changeset: e77beca5
Author:    Olga Mikhaltsova <omikhaltcova at openjdk.org>
Date:      2022-02-04 07:40:13 +0000
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/e77beca5dc19896409c2cc1c78257e3d4320b67c

8280373: Update Xalan serializer / SystemIDResolver to align with JDK-8270492

Backport-of: c180070cb59b8e075376ae913c5db9a4ed868303

! src/java.xml/share/classes/com/sun/org/apache/xml/internal/serializer/utils/SystemIDResolver.java