RFR: JDK-8297215: Update libs tests to use @enablePreview [v3]

[Alan Bateman]

On Thu, 1 Dec 2022 05:44:44 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> Similar to an update recently done for langtools tests, update the libraries regression tests to take advantage of the @enablePreview jtreg feature.
>
> Joe Darcy has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Respond to review feedback.
>  - Merge branch 'master' into JDK-8297215
>  - Respond to review feedback.
>  - JDK-8297215: Update libs tests to use @enablePreview

Latest update looks good, will make the test changes easy when features move from preview to permanent.

test/jdk/java/net/Socket/Timeouts.java line 30:

> 28:  * @build jdk.test.lib.Utils
> 29:  * @enablePreview
> 30:  * @compile Timeouts.java

I assume the `@compile` can be dropped from this one, doesn't matter.

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Marked as reviewed by alanb (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11222