RFR: 8354327: Rewrite runtime/LoadClass/LoadClassNegative.java [v3]

[Anton Artemov]

> Rewrote the test  runtime/LoadClass/LoadClassNegative so that it creates an empty jar file on the fly and then removes it. Previously existing dummy.jar removed.

Anton Artemov has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - Merge remote-tracking branch 'origin/master' into JDK-8354327
 - 8354327: Renamed the empty jar file.
 - 8354327: Addressed reviewer's comments
 - 8354327: Rewrite runtime/LoadClass/LoadClassNegative.java

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24688/files
  - new: https://git.openjdk.org/jdk/pull/24688/files/08719060..5e3f2426

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24688&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24688&range=01-02

  Stats: 48521 lines in 1162 files changed: 38668 ins; 7112 del; 2741 mod
  Patch: https://git.openjdk.org/jdk/pull/24688.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24688/head:pull/24688

PR: https://git.openjdk.org/jdk/pull/24688