[jdk19] RFR: 8282071: Update java.xml module-info

[Joe Wang]

Update module-info

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Commit messages:
 - 8282071: Update java.xml module-info

Changes: https://git.openjdk.org/jdk19/pull/126/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19&pr=126&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8282071
  Stats: 6 lines in 1 file changed: 2 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk19/pull/126.diff
  Fetch: git fetch https://git.openjdk.org/jdk19 pull/126/head:pull/126

PR: https://git.openjdk.org/jdk19/pull/126