Created jtreg test case for [JDK-8325203](https://bugs.openjdk.org/browse/JDK-8325203) issue.
The JpackageTest created tests that the child process started from the app launched by jpackage launcher is not automatically terminated when the the launcher is terminated. ------------- Commit messages: - Whitespace Fixes 2 - Fixed whitespaces - Fixed whitespaces for 8325525:Create jtreg test case for JDK-8325203 - 8325525: Create jtreg test case for JDK-8325203 - 8325525: Create jtreg test case for JDK-8325203 Changes: https://git.openjdk.org/jdk/pull/19536/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19536&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8325525 Stats: 241 lines in 2 files changed: 241 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/19536.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/19536/head:pull/19536 PR: https://git.openjdk.org/jdk/pull/19536
