[jdk21] RFR: 8311902: Concurrency regression in the PBKDF2 key impl of SunJCE provider

[Valerie Peng]

8311902: Concurrency regression in the PBKDF2 key impl of SunJCE provider

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Commit messages:
 - Backport 28c4d196cff8576b69cf115cda538ab1dad978d2

Changes: https://git.openjdk.org/jdk21/pull/139/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21&pr=139&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311902
  Stats: 53 lines in 1 file changed: 32 ins; 1 del; 20 mod
  Patch: https://git.openjdk.org/jdk21/pull/139.diff
  Fetch: git fetch https://git.openjdk.org/jdk21.git pull/139/head:pull/139

PR: https://git.openjdk.org/jdk21/pull/139