[jdk11u-dev] RFR: 8180573: Refactor sun/security/tools shell tests to plain java tests [v4]

[Christoph Langer]

> Backport of JDK-8180573: Refactor sun/security/tools shell tests to plain java tests
> 
> Applies mostly clean, deletion of a few files had to be done manually. Then I had to resolve the testlibrary in two places and add a a few tweaks to a few tests that came later with some CPU fixes.

Christoph Langer has updated the pull request incrementally with two additional commits since the last revision:

 - Add changes of 8260960 to ConciseJarsigner.java
 - Add changes of 8230318 to ConciseJarsigner.java

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk11u-dev/pull/415/files
  - new: https://git.openjdk.java.net/jdk11u-dev/pull/415/files/aac5898b..30c10a3b

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=415&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=415&range=02-03

  Stats: 14 lines in 1 file changed: 4 ins; 0 del; 10 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/415.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/415/head:pull/415

PR: https://git.openjdk.java.net/jdk11u-dev/pull/415