RFR: 8259267: Refactor LoaderLeak shell test as java test. [v7]

[Ivan Šipka]

> 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

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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/d9d41ebd..23025452

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1577&range=06
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1577&range=05-06

  Stats: 3 lines in 1 file changed: 1 ins; 1 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