[jdk21u-dev] RFR: 8357914: TestEmptyBootstrapMethodsAttr.java fails when run with TEST_THREAD_FACTORY=Virtual

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle.

Resolved ProblemList, probably clean.

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

Commit messages:
 - backport c59e44a7aa2aeff0823830b698d524523b996650

Changes: https://git.openjdk.org/jdk21u-dev/pull/2097/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2097&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8357914
  Stats: 16 lines in 2 files changed: 12 ins; 3 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2097.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2097/head:pull/2097

PR: https://git.openjdk.org/jdk21u-dev/pull/2097