[jdk21u-dev] RFR: 8269428: java/util/concurrent/ConcurrentHashMap/ToArray.java timed out

[Andrew Lu]

I backport this for parity with 21.0.5-oracle.

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Commit messages:
 - Backport 570ad67204a55dd4b45e04e5a91671fed2cc18d0

Changes: https://git.openjdk.org/jdk21u-dev/pull/712/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=712&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8269428
  Stats: 50 lines in 1 file changed: 3 ins; 0 del; 47 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/712.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/712/head:pull/712

PR: https://git.openjdk.org/jdk21u-dev/pull/712