Integrated: JDK-8297215: Update libs tests to use @enablePreview

[Joe Darcy]

On Thu, 17 Nov 2022 21:48:11 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.

This pull request has now been integrated.

Changeset: 770ff5a8
Author:    Joe Darcy <darcy at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/770ff5a812d7b895ed2badfef9bb4e0b211d55bb
Stats:     101 lines in 35 files changed: 12 ins; 2 del; 87 mod

8297215: Update libs tests to use @enablePreview

Reviewed-by: alanb, sspitsyn

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