RFR: CODETOOLS-7903487: JMH: Cover JMH profilers with basic tests

[Aleksey Shipilev]

JMH profilers is the important feature, and they should be verified with at least smoke tests to capture their breakage, e.g. when JDK changes something.

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Commit messages:
 - Fix

Changes: https://git.openjdk.org/jmh/pull/109/files
 Webrev: https://webrevs.openjdk.org/?repo=jmh&pr=109&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903487
  Stats: 1026 lines in 13 files changed: 1026 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jmh/pull/109.diff
  Fetch: git fetch https://git.openjdk.org/jmh.git pull/109/head:pull/109

PR: https://git.openjdk.org/jmh/pull/109