RFR(S): 8180195: remove jaxp testlibrary

[Igor Ignatyev]

http://cr.openjdk.java.net/~iignatyev//8180195/webrev.00/index.html
> 3049 lines changed: 114 ins; 2927 del; 8 mod;

Hi all,

could you please review this small patch which removes a fork of testlibrary from jaxp repo? there were a few differences b/w the testlibraries: top level testlibrary did not have CompilerUtils class, its ProcessTools did not have executeTestJava (which is basically an alias for executeTestJvm) and its OutputAnalyzer did not have methods to dump stdout, stderr into specific streams.

this fix is a part of ongoing effort on merging and cleaning up our test libraries[1].

bug: https://bugs.openjdk.java.net/browse/JDK-8180195
webrev: http://cr.openjdk.java.net/~iignatyev//8180195/webrev.00/index.html
testing: :jaxp_all

[1] https://bugs.openjdk.java.net/browse/JDK-8075327

Thanks,
-- Igor