RFR [15/java.xml] 8248884: Regression caused by the update to BCEL 6.0

[huizhe . wang]

Please refer to the previous review for 8248348. This patch should have 
been pushed into 15 in the first place. I hope a merge with 16 repo 
won't cause any trouble/conflict.

JBS: https://bugs.openjdk.java.net/browse/JDK-8248884

webrev: http://cr.openjdk.java.net/~joehw/jdk15/8248884/webrev/


Thanks,

Joe