ticket:10990: remove STL deps from FilteredBreakIterator implementation


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@36008 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8962: test & fix collation import from same bundle & from und=root

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@36009 251d0590-4201-4cf1-90de-194747b24ca1