ticket:9355: test that secondary+case ignores secondary ignorables

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@35285 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10681: Lazily get and cache BreakIterator for titlecasing; lazily get contextTransform info if possible (C)

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@35287 251d0590-4201-4cf1-90de-194747b24ca1