RFR: 8259267: Refactor LoaderLeak shell test as java test. [v13]

[Ivan Šipka]

> Refactor `test/jdk/java/lang/annotation/loaderLeak/LoaderLeak.sh` as java test.

Ivan Šipka has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  8166026: Refactor java/lang shell tests to java

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1577/files
  - new: https://git.openjdk.java.net/jdk/pull/1577/files/ad387755..80cc5f0b

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1577&range=12
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1577&range=11-12

  Stats: 9 lines in 1 file changed: 2 ins; 6 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1577.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1577/head:pull/1577

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