ticket:10043: ignore the genrb --omitCollationRules flag while importing rules

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34874 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8464: Add Suggested changes from Markus.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34875 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10623: Integrated data generated from CLDR 25-M1, but skipped new data in data/coll/

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34878 251d0590-4201-4cf1-90de-194747b24ca1