8203377: Cleanup the usage of os::file_name_strcmp() in SharedPathsMiscInfo::check()
Relax CDS/AppCDS path check for modules image.
Reviewed-by: iklam, ccheung
8182731: Odd handling of -XX:-UseAppCDS and -XX:SharedArchiveFile
Application class data sharing is enabled without -XX:+UseAppCDS. SharedArchiveFile is now a product flag.
Reviewed-by: dholmes, ihse, erikj, ccheung
