RFR (JAXP): 8036004 : Incorrect license header for a test class

[huizhe wang]

Hi,

This is a fix to the license header for class 
jdk/test/javax/xml/jaxp/transform/8004476/TestBase.java.

Bug:
        https://bugs.openjdk.java.net/browse/JDK-8036004

Webrev:
        http://cr.openjdk.java.net/~joehw/jdk9/8036004/webrev/

Thanks,
Joe