[jdk26u] RFR: 8370489: Some compiler tests miss the @key randomness

[KavyaKS94]

clean backport. Tested changes locally

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Commit messages:
 - 8370489: Some compiler tests miss the @key randomness

Changes: https://git.openjdk.org/jdk26u/pull/16/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk26u&pr=16&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370489
  Stats: 105 lines in 40 files changed: 88 ins; 6 del; 11 mod
  Patch: https://git.openjdk.org/jdk26u/pull/16.diff
  Fetch: git fetch https://git.openjdk.org/jdk26u.git pull/16/head:pull/16

PR: https://git.openjdk.org/jdk26u/pull/16