RFR(XS) : 8181118 : update java/time tests to use RandomFactory from the top level testlibrary

[Igor Ignatyev]

http://cr.openjdk.java.net/~iignatyev/8181118/webrev.00
> 115 lines changed: 0 ins; 108 del; 7 mod; 

Hi all,

could you please review this small fix for java/time tests? RandomFactory has been moved to the top level testlibrary by 8180805[1], but java/time weren't updated when b/c jtreg didn't use external root for libraries listed in lib.dirs test property file[2]. it has been fixed in jtreg4.2b09, now java/time tests can be updated to use top level testlibrary and @deprecated RandomFactory (from test/jdk/lib/testlibrary) can be removed.

webrev: http://cr.openjdk.java.net/~iignatyev/8181118/webrev.00
JBS: https://bugs.openjdk.java.net/browse/JDK-8181118
testing: java/time/jck and java/time/tests

[1] https://bugs.openjdk.java.net/browse/JDK-8180805
[2] https://bugs.openjdk.java.net/browse/CODETOOLS-7901987

Thanks,
-- Igor