RFR: 7381: Better descriptions for reports

[Virag Purnam]

Merge changes of 8.2.1 into master branch

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Commit messages:
 - 7381: Better descriptions for reports

Changes: https://git.openjdk.org/jmc/pull/423/files
 Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=423&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-7381
  Stats: 10 lines in 4 files changed: 7 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jmc/pull/423.diff
  Fetch: git fetch https://git.openjdk.org/jmc pull/423/head:pull/423

PR: https://git.openjdk.org/jmc/pull/423