ticket:10335: Merging in changes from trunk

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/emmons@34187 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10335: Likelysubtags fixes

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/emmons@34188 251d0590-4201-4cf1-90de-194747b24ca1