[12]RFR of JDK-8210403:Refactor java.util.Locale:i18n shell tests to plain java tests

Hello, test/java/util/Locale/LocaleCategory.sh test/java/util/Locale/LocaleProviders.sh Please review this patch to refactor above shell script tests to java. bug: https://bugs.openjdk.java.net/browse/JDK-8210403 webrev: http://cr.openjdk.java.net/~dzhou/8210403/webrev.00/ <http://cr.openjdk.java.net/%7Edzhou/8210403/webrev.00/> Thanks, Daisy