[jdk17u-dev] RFR: 8310201: Reduce verbose locale output in -XshowSettings launcher option

[Andrew Lu]

I backport this for parity with 17.0.13-oracle.

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Commit messages:
 - Backport f6e23ae4519f8eb877ae28a0bfbb4820c9718f91

Changes: https://git.openjdk.org/jdk17u-dev/pull/2509/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2509&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310201
  Stats: 22 lines in 2 files changed: 15 ins; 0 del; 7 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2509.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2509/head:pull/2509

PR: https://git.openjdk.org/jdk17u-dev/pull/2509