RFR: 8259267: Refactor LoaderLeak shell test as java test. [v15]

[Igor Ignatyev]

On Wed, 3 Mar 2021 19:56:07 GMT, Ivan Šipka <isipka at openjdk.org> wrote:

>> Refactor `test/jdk/java/lang/annotation/loaderLeak/LoaderLeak.sh` as java test.
>
> Ivan Šipka has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8166026: Refactor java/lang shell tests to java

Marked as reviewed by iignatyev (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/1577