[jdk17u-dev] RFR: 8314495: Update to use jtreg 7.3.1

[Aleksey Shipilev]

Atomically brings jtreg 7.3.1 (current at mainline) to 17u. Depending on new jtreg allows to cleanly backport tests from mainline without rewriting them for older jtreg.

Thankfully, @GoeLin backported all the actual test changes that are needed for this to work.

The uncleanliness comes mostly from the gtest "version" variable conflicts. Otherwise the whole stack applies cleanly.

Additional testing:
 - [x] GHA
 - [x] Linux AArch64 `tier1 tier2 tier3 tier4`

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

Commit messages:
 - Unclean backport JDK-8314495: Update to use jtreg 7.3.1
 - Unclean backport JDK-8313167: Update to use jtreg 7.3
 - Unclean backport JDK-8304896: Update to use jtreg 7.2
 - Clean backport JDK-8298178: Update to use jtreg 7.1.1
 - Clean backport JDK-8296710: Update to use jtreg 7.1
 - Unclean backport JDK-8289798: Update to use jtreg 7
 - Unclean backport JDK-8275512: Upgrade required version of jtreg to 6.1

Changes: https://git.openjdk.org/jdk17u-dev/pull/1712/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1712&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8314495
  Stats: 11 lines in 8 files changed: 0 ins; 0 del; 11 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1712.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1712/head:pull/1712

PR: https://git.openjdk.org/jdk17u-dev/pull/1712