<i18n dev> RFR: 8315444: Convert test/jdk/tools to Classfile API [v3]

[Adam Sotona]

On Wed, 6 Sep 2023 16:44:15 GMT, Qing Xiao <duke at openjdk.org> wrote:

>> `/test/jdk/tools/lib/tests/JImageValidator.java`, tests in `/test/jdk/tools/jlink`, and `/test/jdk/tools/jimage`, `/test/jdk/java/time/nontestng/java/time/chrono/HijrahConfigTest.java` use on com.sun.tools.classfile and should be converted to Classfile API.
>
> Qing Xiao has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Change the position of a brace
>  - Remove unnecessary import of `impl` and added stronger verify in JImageValidator.java

Marked as reviewed by asotona (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15529#pullrequestreview-1615275932