RFR: 8359127: Amend java/nio/channels/DatagramChannel/PromiscuousIPv6.java to use @requires for OS platform selection

[SendaoYan]

On Thu, 12 Jun 2025 11:55:35 GMT, Dermot Boyle <duke at openjdk.org> wrote:

> Replaced programmatic check for the OS platform (which threw a Skipped exception) with JTreg @requires.

The copyright year should be updated from 2023 to 2025.

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PR Comment: https://git.openjdk.org/jdk/pull/25781#issuecomment-2968771195