Adding tests failing on XWayland. The `java/awt/Focus/VetoableChangeListenerLoopTest.java` mentioned in the bug description no longer fails.
------------- Commit messages: - 8337320: Update ProblemList.txt with tests known to fail on XWayland Changes: https://git.openjdk.org/jdk/pull/20384/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20384&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8337320 Stats: 6 lines in 1 file changed: 6 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/20384.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20384/head:pull/20384 PR: https://git.openjdk.org/jdk/pull/20384
