ticket:10419: Create branch in ICU4C.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34406 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10419: Added Tests in ICU4C to verify that rounding with fraction digits set to 0 works.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34412 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10419 Specify Locale in Test10419 in case tests are run outside US.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34415 251d0590-4201-4cf1-90de-194747b24ca1