[jdk21u-dev] RFR: 8222884: ConcurrentClassDescLookup.java times out intermittently

[Andrew Lu]

I backport this for parity with 21.0.5-oracle.

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Commit messages:
 - Backport bd046d9b9e79e4eea89c72af358961ef6e98e660

Changes: https://git.openjdk.org/jdk21u-dev/pull/773/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=773&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8222884
  Stats: 36 lines in 1 file changed: 7 ins; 7 del; 22 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/773.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/773/head:pull/773

PR: https://git.openjdk.org/jdk21u-dev/pull/773