RFR: 8304915: Create jdk.internal.util.Architecture enum and apply [v10]

[Amit Kumar]

On Tue, 11 Apr 2023 18:07:41 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Another remark: Old JDK on s390 used "os.arch = zArch_64", current one "os.arch = s390x". @offamitkumar: You probably want to take a look.

Martin, only concern was that I didn't have a good experience with `s390x` string in [past](https://github.com/openjdk/jdk/pull/13228#issuecomment-1488599607).  But, I assume that `default` in `mapArchString` will unintentionally handle that scenario here. I tested it, and 'ArchTest.java' also passes.

 I guess @RealLucy might have some pointer over this.

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PR Comment: https://git.openjdk.org/jdk/pull/13357#issuecomment-1504542573