RFR: 8304834: Fix wrapper insertion in TestScaffold.parseArgs(String args[]) [v4]

[Leonid Mesnik]

> The TestScaffold incorrectly parse options, it should insert wrapper class between VM options and applications classame.

Leonid Mesnik has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains eight commits:

 - updated after David's comments.
 - Merge branch 'master' of https://github.com/openjdk/jdk into 8289546
 - updated parsing.
 - added comments and trim arguments
 - parsing updted
 - problemlist fixed
 - comments
 - fix

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Changes: https://git.openjdk.org/jdk/pull/13170/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13170&range=03
  Stats: 52 lines in 3 files changed: 23 ins; 8 del; 21 mod
  Patch: https://git.openjdk.org/jdk/pull/13170.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13170/head:pull/13170

PR: https://git.openjdk.org/jdk/pull/13170