kiji-express: EXP-380. Propagate change for SCHEMA-610

issue: https://jira.kiji.org/browse/EXP-380
review: https://review.kiji.org/r/1517
commit: https://github.com/kijiproject/kiji-express/commit/39deb3cef829f5c03a28b83396196b028d97974e