[jdk21u-dev] RFR: 8326496: [test] checkHsErrFileContent support printing hserr in error case

[Matthias Baesken]

8326496: [test] checkHsErrFileContent  support printing hserr in error case

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Commit messages:
 - Backport a065eba56de01f4492123c6663ec0c3108d907a1

Changes: https://git.openjdk.org/jdk21u-dev/pull/353/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=353&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326496
  Stats: 63 lines in 2 files changed: 55 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/353.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/353/head:pull/353

PR: https://git.openjdk.org/jdk21u-dev/pull/353