ticket:10468: Add check for if format is disabled

git-svn-id: http://source.icu-project.org/repos/icu/icu@34701 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8464: Add check for if formatting is disabled

git-svn-id: http://source.icu-project.org/repos/icu/icu@34702 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10500: Add check for if formatting is disabled

git-svn-id: http://source.icu-project.org/repos/icu/icu@34703 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10549: Test case code for collation performacne regression. Work in progress.

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