ticket:8464: Respond to the rest of Markus' comments.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34832 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8464: Remove unused code.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34833 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8464: Chop up excessively long lines of code.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34834 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10549: collperf2 also test sorting & binary search

git-svn-id: http://source.icu-project.org/repos/icu/icu@34836 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10549: uperf.h additions from trunk

git-svn-id: http://source.icu-project.org/repos/icu/icu@34837 251d0590-4201-4cf1-90de-194747b24ca1