This PR introduces the following changes addressing intermittent `PlainProxyConnectionTest` failures reported in [JDK-8342811](https://bugs.openjdk.org/browse/JDK-8342811):
* Increase logging verbosity to aid in troubleshooting (if the failure happens to pop up again) * Add salt to the used HTTP server path to decrease the chances of parallel running tests from interfering ------------- Commit messages: - Remove redundant module declarations - Fix copyright year - 8342811: Increase PlainProxyConnectionTest logging verbosity Changes: https://git.openjdk.org/jdk/pull/22003/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22003&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8342811 Stats: 22 lines in 1 file changed: 16 ins; 0 del; 6 mod Patch: https://git.openjdk.org/jdk/pull/22003.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22003/head:pull/22003 PR: https://git.openjdk.org/jdk/pull/22003
