[jdk21u-dev] RFR: 8313804: JDWP support for -Djava.net.preferIPv6Addresses=system

[Ilarion Nakonechnyy]

Clean backport. Testing with tier1 on alpine linux in progress.

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Commit messages:
 - Backport 9291b46bcfa76a596578eb50c29b9850e7020dea

Changes: https://git.openjdk.org/jdk21u-dev/pull/1773/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1773&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313804
  Stats: 117 lines in 2 files changed: 98 ins; 0 del; 19 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1773.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1773/head:pull/1773

PR: https://git.openjdk.org/jdk21u-dev/pull/1773