andrewlewis 4a62b2688c Post onPrepared so it runs after createPeriod has finished.
Issue: #1853

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134409897
2016-09-28 11:26:12 +01:00
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2016-09-28 11:25:02 +01:00