This converts jpackage to use `Stream.toList()` instead of `Stream.collect(Collectors.toList())`. One piece of code was modified to not mutate a list in addition to one test that used a mutating sort on a list. The rest of the changes are simple substitutions.
------------- Commit messages: - Converting jpackage to use Stream.toList() Changes: https://git.openjdk.java.net/jdk/pull/2997/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2997&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8263545 Stats: 47 lines in 17 files changed: 1 ins; 3 del; 43 mod Patch: https://git.openjdk.java.net/jdk/pull/2997.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/2997/head:pull/2997 PR: https://git.openjdk.java.net/jdk/pull/2997
