RFR: 7903429: jcstress: Increase synchronized locks coverage

Tue Feb 7 07:54:51 UTC 2023

With Loom and Lilliput work, we want to test synchronized locks more broadly. Extending existing tests to also test synchronized would be beneficial.

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Commit messages:
 - More tests
 - Lock tests

Changes: https://git.openjdk.org/jcstress/pull/137/files
 Webrev: https://webrevs.openjdk.org/?repo=jcstress&pr=137&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903429
  Stats: 372 lines in 22 files changed: 320 ins; 1 del; 51 mod
  Patch: https://git.openjdk.org/jcstress/pull/137.diff
  Fetch: git fetch https://git.openjdk.org/jcstress pull/137/head:pull/137

PR: https://git.openjdk.org/jcstress/pull/137