layout/box: make class name agree with new naming scheme https://phabricator.endlessm.com/T10053
layout/box: make class name agree with new naming scheme
https://phabricator.endlessm.com/T10053

endlessm/eos-knowledge-lib,endlessm/eos-knowledge-lib,endlessm/eos-knowledge-lib,endlessm/eos-knowledge-lib