ticket:10017: Merge r33700 to r33767 from trunk.

git-svn-id: http://source.icu-project.org/repos/icu/icu@33768 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: test & fix building from rules

git-svn-id: http://source.icu-project.org/repos/icu/icu@33769 251d0590-4201-4cf1-90de-194747b24ca1