RFR: 7903677: JMH: Workaround xperfasm failure in GHA

[Aleksey Shipilev]

GHA Windows runners do not work with xperf out of the box, so the WinPerfAsmTests fail. We need to work them around.

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Commit messages:
 - Fix

Changes: https://git.openjdk.org/jmh/pull/129/files
 Webrev: https://webrevs.openjdk.org/?repo=jmh&pr=129&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903677
  Stats: 5 lines in 2 files changed: 4 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jmh/pull/129.diff
  Fetch: git fetch https://git.openjdk.org/jmh.git pull/129/head:pull/129

PR: https://git.openjdk.org/jmh/pull/129