[jdk11u-dev] RFR: 8314495: Update to use jtreg 7.3.1 [v2]

[Goetz Lindenmaier]

> I backport this as announced in https://mail.openjdk.org/pipermail/jdk-updates-dev/2024-March/030818.html
> 
> Clean backport from 17 except for test/lib-test/TEST.ROOT.
> That file is not in 11. I added it for this change. I think it makes sense to have this in 11 as well.

Goetz Lindenmaier has updated the pull request incrementally with one additional commit since the last revision:

  Remove file as asked by Aleksey

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

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/2612/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/2612/files/f7d6f693..34275957

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2612&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2612&range=00-01

  Stats: 32 lines in 1 file changed: 0 ins; 32 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2612.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2612/head:pull/2612

PR: https://git.openjdk.org/jdk11u-dev/pull/2612