[lworld] RFR: 8377867: [lworld] Cherry pick JDK-8376355 "Update to use jtreg 8.2.1" [v2]

[David Simms]

> 8376355: Update to use jtreg 8.2.1

David Simms has updated the pull request incrementally with one additional commit since the last revision:

  jtreg fix CODETOOLS-7904125, now correctly causes fail

-------------

Changes:
  - all: https://git.openjdk.org/valhalla/pull/2100/files
  - new: https://git.openjdk.org/valhalla/pull/2100/files/06952bb6..9d896642

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=2100&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=2100&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/valhalla/pull/2100.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2100/head:pull/2100

PR: https://git.openjdk.org/valhalla/pull/2100