RFR: 8359732: Make standard i/o encoding related system properties `StaticProperty` [v3]

[Naoto Sato]

On Wed, 18 Jun 2025 07:08:21 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

> I've verified that all relevant occurrences of `std{in,err,out}.encoding` are covered, except the ones `src/java.base/share/classes/java/lang/System.java`, which, I presume, is left out intentionally.

Initially I left them as it is too early to call, but just noticed StaticProperty class was initialized a few lines above, so it is safe to call them. Replaced.

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PR Comment: https://git.openjdk.org/jdk/pull/25860#issuecomment-2985288682