RFR(JDK11/JAXP/java.xml) 8202426: NPE thrown by Transformer when XMLStreamReader reports no xml attribute type

[Joe Wang]

Hi,

Please review a fix that adds better tolerance for a XMLStreamReader 
reporting no attribute type, in which case, the default CDATA type is used.

JBS: https://bugs.openjdk.java.net/browse/JDK-8202426
webrevs: http://cr.openjdk.java.net/~joehw/jdk11/8202426/webrev/

Thanks,
Joe