[jdk17u-dev] RFR: 8343875: Minor improvements of jpackage test library [v2]

[Goetz Lindenmaier]

> Backport of the change in 21.
> 
> Resolved one import in test/jdk/tools/jpackage/helpers/jdk/jpackage/test/TKit.java.
> 
> Unfortunately I had to omit patching test/jdk/tools/jpackage/share/AddLShortcutTest.java
> which is not in 17.
> 
> I had to keep the import of java.awt.Desktop in PackageTest.java to make it compile.

Goetz Lindenmaier 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.

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/4071/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/4071/files/dfb8afd5..dfb8afd5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4071&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4071&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4071.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4071/head:pull/4071

PR: https://git.openjdk.org/jdk17u-dev/pull/4071