RFR(S) [13] : 8226360 : merge entries in hotspot problem lists

[Igor Ignatyev]

http://cr.openjdk.java.net/~iignatyev//8226360/webrev.00/index.html
> 30 lines changed: 0 ins; 20 del; 10 mod; 

Hi all,

because jtreg doesn't support having multiple entries for a test in a problem list (in a way you would expect it to), see CODETOOLS-7902481[1], we need to merge all such cases in our problem lists. this small patch does exactly that for all hotspot-related problem lists.

JBS: https://bugs.openjdk.java.net/browse/JDK-8226360
webrev: http://cr.openjdk.java.net/~iignatyev//8226360/webrev.00/index.html
[1] https://bugs.openjdk.java.net/browse/CODETOOLS-7902481

Thanks,
-- Igor