Request for Review of jtreg reporting improvements

[roger riggs]

Please review changes to address these jtreg reporting output issues:

CODETOOLS-7900130 <https://jbs.oracle.com/bugs/browse/CODETOOLS-7900130> 
Test summary does not show TestNg dataProvider arguments
CODETOOLS-7900165 <https://jbs.oracle.com/bugs/browse/CODETOOLS-7900165> 
Exception in TestNG DataSource does not result in a reported test failure
CODETOOLS-7900039 <https://jbs.oracle.com/bugs/browse/CODETOOLS-7900039> 
TestNG Expected exception stack traces in reports are misleading
CODETOOLS-7900112 <https://jbs.oracle.com/bugs/browse/CODETOOLS-7900112> 
Don't print unnecessary stack traces (dup of 7900039)

http://cr.openjdk.java.net/~rriggs/webrev-jtreg-testng-reporting-7900130/

What is sufficient testing for jtreg changes?

Roger