RFR: 8304911: Use OperatingSystem enum in some modules [v3]

Wed Apr 5 16:27:21 UTC 2023

On Wed, 5 Apr 2023 15:48:02 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> With the addition of `jdk.internal.util.OperatingSystem` references to the system property `os.name` can be replaced.
>> This PR exports jdk.internal.util to:
>>  - java.prefs,
>>  - java.security.jgss,
>>  - java.smartcardio,
>>  - jdk.charsets,
>>  - jdk.net,
>>  - jdk.zipfs
>
> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Backout unneeded changes to module-info and default.policy.
>   Fixup formatting.

Marked as reviewed by iris (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/13335#pullrequestreview-1373282111