ticket:10640: Add more tests for MeasureFormat. Memory leaks in test.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34963 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10640:Merge r34877 to r34963 frm trunk.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34964 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10640: Implement API proposal suggestions from PMC meeting.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34976 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10640: Fix memory leak in test.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34977 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10640: Add test for Format::format

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34978 251d0590-4201-4cf1-90de-194747b24ca1