[jdk21u] RFR: 8308592: Framework for CA interoperability testing

[Rajan Halade]

Clean backport to JDK 21u.

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Commit messages:
 - Backport da57d2a1eb409ddc64117865c7d24ed518421cab

Changes: https://git.openjdk.org/jdk21u/pull/182/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=182&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8308592
  Stats: 6518 lines in 18 files changed: 1010 ins; 5508 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u/pull/182.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/182/head:pull/182

PR: https://git.openjdk.org/jdk21u/pull/182