8076543: Add @modules as needed to the langtools testsReviewed-by: jjg, shurailine
8062348: langtools tests should close file manager (group 1)Reviewed-by: darcy
8050430: Provided new utility visitors supporting SourceVersion.RELEASE_9Reviewed-by: jjg
8042345: getDocComment fails for doc comments on PackageElement found in package-info.javaReviewed-by: jjg