docker: Hide too verbose logs of kafka-manager.
it prints 'k.m.a.KafkaManagerActor - Updating internal state...' every 10 seconds.
Migrated from D3100 (view on Phabricator)
it prints 'k.m.a.KafkaManagerActor - Updating internal state...' every 10 seconds.
Migrated from D3100 (view on Phabricator)