ticket:10148: Updated the error case behavior not to set bogus flag. Changed method name - from xxxByWindowsID to xxxForWindowsID.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/yoshito@33724 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10148: Fixed HTML tag problems in the API doc.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/yoshito@33725 251d0590-4201-4cf1-90de-194747b24ca1