[jdk21u-dev] RFR: 8361423: Add IPSupport::printPlatformSupport to java/net/NetworkInterface/IPv4Only.java

[Goetz Lindenmaier]

I backport this for parity with 21.0.10-oracle.

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Commit messages:
 - Backport 2f1aed2a165259a873636792cff7c9de4e1f334e

Changes: https://git.openjdk.org/jdk21u-dev/pull/2320/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2320&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361423
  Stats: 11 lines in 1 file changed: 7 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2320.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2320/head:pull/2320

PR: https://git.openjdk.org/jdk21u-dev/pull/2320