RFR (JAXP) 8154220 : Semi-colon delimited list of catalog files in System property is throwing IllegalArgumentException

[huizhe wang]

Hi,

Please review the following issue and fix:

JBS: https://bugs.openjdk.java.net/browse/JDK-8154220
webrev: http://cr.openjdk.java.net/~joehw/jdk9/8154220/webrev/

Thanks,
Joe