[12]RFR of JDK-8213409:Refactor sun.text.IntHashtable:i18n shell tests to plain java tests

[Ying Zhou]

Hello,

test/jdk/sun/text/IntHashtable/Bug4170614Test.sh

Please review this patch for refactoring above shell script test to java.

Bug: https://bugs.openjdk.java.net/browse/JDK-8213409

Webrev: http://cr.openjdk.java.net/~yzhou/8213409/webrev.00/

Thanks,

Daisy