8059976: Convert JavacFileManager to use java.nio.file internallyReviewed-by: jlahoda
8061876: replace java.io.File with java.nio.file.Path (again)Reviewed-by: ksrini, jlahoda
8061723: 8060056 breaks tests on WindowsReviewed-by: darcy
8060056: replace java.io.File with java.nio.file.PathReviewed-by: ksrini, jlahoda
8014016: javac is too late detecting invalid annotation usageSummary: Adding new queue to Annotate for validation tasks, performing annotation validation during enterReviewed-by: jjg, emc, jfranck