<i18n dev> RFR: 8312416: Tests in Locale should have more descriptive names

[Naoto Sato]

On Wed, 26 Jul 2023 07:11:16 GMT, Justin Lu <jlu at openjdk.org> wrote:

> Please review this change which renames tests for Locale from `bugNNNNNNN.java` to something more descriptive.
> 
> In addition to the name changes, accompanying copyright year, name usage within the test, and other minor changes were included. The test `bug4123285.java` was also removed, as it was never actually ran and java.applet.Applet is deprecated and marked for removal.

Marked as reviewed by naoto (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15032#pullrequestreview-1548484877