RFR: CODETOOLS-7903236: jcstress: Improve Classic_01_DiningPhilosophers test

Tue Jul 19 08:01:08 UTC 2022

Improves the progress guarantees handling in samples.

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Commit messages:
 - Fix
 - Fix

Changes: https://git.openjdk.org/jcstress/pull/117/files
 Webrev: https://webrevs.openjdk.org/?repo=jcstress&pr=117&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903236
  Stats: 47 lines in 2 files changed: 45 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jcstress/pull/117.diff
  Fetch: git fetch https://git.openjdk.org/jcstress pull/117/head:pull/117

PR: https://git.openjdk.org/jcstress/pull/117