ticket:11064: Fix a roundtripping problem when the fractional part is non-zero.


git-svn-id: http://source.icu-project.org/repos/icu/icu@36203 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: This is an attempt to make windows build works. Windows build still broken. Likely the rest of the builds are broken too now.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36204 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802 Windows build fixes.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36205 251d0590-4201-4cf1-90de-194747b24ca1