RFR: 8350464: The flags to set the native priority for the VMThread and Java threads need a broader range

[David Holmes]

See JBS for background details, but basically -1 -> 127 is inappropriate and the priority range should be the full int_min - int_max

Testing:
 - tiers 1-3 sanity testing

Thanks

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Commit messages:
 - 8350464: The flags to set the native priority for the VMThread and Java threads need a broader range

Changes: https://git.openjdk.org/jdk/pull/23722/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23722&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8350464
  Stats: 12 lines in 1 file changed: 0 ins; 0 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/23722.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23722/head:pull/23722

PR: https://git.openjdk.org/jdk/pull/23722