RFR: 8351969: Add Public Identifiers to the JDK built-in Catalog

[Joe Wang]

Add public identifiers to the JDK built-in Catalog; Replace the incorrect Schema 1.1 DTD files (note the Public Identifier at line 2) with the correct Shema 1.0 DTDs.

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Commit messages:
 - 8351969: Add Public Identifiers to the JDK built-in Catalog

Changes: https://git.openjdk.org/jdk/pull/24039/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24039&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8351969
  Stats: 286 lines in 4 files changed: 70 ins; 142 del; 74 mod
  Patch: https://git.openjdk.org/jdk/pull/24039.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24039/head:pull/24039

PR: https://git.openjdk.org/jdk/pull/24039