[jdk17u-dev] RFR: 8286194: ExecutorShutdown test fails intermittently

[Goetz Lindenmaier]

I backport this for parity with 17.0.17-oracle.

Clean backport on top of 8277969.

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Depends on: https://git.openjdk.org/jdk17u-dev/pull/3633

Commit messages:
 - Backport 04df8b74379c9de7b20931fea1642f82569d3a2d

Changes: https://git.openjdk.org/jdk17u-dev/pull/3634/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3634&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8286194
  Stats: 138 lines in 7 files changed: 110 ins; 3 del; 25 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3634.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3634/head:pull/3634

PR: https://git.openjdk.org/jdk17u-dev/pull/3634