[jdk8u] RFR: 8368308: ISO 4217 Amendment 180 Update

[Severin Gehwolf]

On Fri, 26 Sep 2025 12:46:21 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

> Not a clean backport to the [JDK 11u version](https://github.com/openjdk/jdk11u/pull/106), but resolves were trivial. Changes to `jdk/test/java/util/Currency/ValidateISO4217.java` where manually redone.
> 
> Testing: `java/util/Currency/` tests pass.

Thanks for the quick review!

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PR Comment: https://git.openjdk.org/jdk8u/pull/80#issuecomment-3338782952