RFR: 8345057: ML_KEM NamedParameterSpec constants removed by ML-DSA integration [v3]

[Valerie Peng]

> Could someone please help review this trivial fix?
> 
> The constants for ML-KEM are accidentally removed during merge. This PR adds them back and adds a test for checking them against the expected ones.

Valerie Peng has updated the pull request incrementally with one additional commit since the last revision:

  changed regression tests to use the NamedParameterSpec constants.

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/22397/files
  - new: https://git.openjdk.org/jdk/pull/22397/files/4e0640a0..ee937829

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22397&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22397&range=01-02

  Stats: 22 lines in 3 files changed: 19 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/22397.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22397/head:pull/22397

PR: https://git.openjdk.org/jdk/pull/22397