RFR: 8374052: Use java/util/Calendar in ReplaceCriticalClasses.java test

[Ioi Lam]

On Thu, 18 Dec 2025 23:33:45 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This patch replaces Locale with Calendar since Locale can be loaded during the JVMTI PRIMORDIAL phase and not be loaded with the ClassFileLoadHook.  See linked bug for details.  (https://bugs.openjdk.org/browse/JDK-8372686)
> Tested with the test on windows.

Looks good and trivial

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Marked as reviewed by iklam (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/28914#pullrequestreview-3599481912