ticket:10046:Working prototype of SciFormatHelper.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35542 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10046:Working prototype of SciFormatHelper.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35543 251d0590-4201-4cf1-90de-194747b24ca1