ticket:10461: Create branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@35070 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10461: Add declaration of NumberFormat::createSharedInstance.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@35072 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10640: Remove branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@35075 251d0590-4201-4cf1-90de-194747b24ca1