am dd691bc7: Merge "Updates ICU collation with changes that will be in ICU 54, taken from http://bugs.icu-project.org/trac/changeset/35762 and http://bugs.icu-project.org/trac/changeset/35766. This patch supports all collation-related keywords in Collator::createInsta

* commit 'dd691bc7fd0295bf301f1c26fb5c8e9b57f32a50':
  Updates ICU collation with changes that will be in ICU 54, taken from http://bugs.icu-project.org/trac/changeset/35762 and http://bugs.icu-project.org/trac/changeset/35766. This patch supports all collation-related keywords in Collator::createInstance()