Remove selenium dependency when not using selenium tests
Remove selenium dependency when not using selenium tests

Closes-Bug: 1377372
Change-Id: I6a493989d7280eaa2a1c999a9d1be4365aa77d52
(cherry picked from commit aad4565d9f64a97f10a9528f2c0efc5039343f2c)

flochaz/horizon,ging/horizon,ging/horizon,ging/horizon,zouyapeng/horizon,flochaz/horizon,flochaz/horizon,zouyapeng/horizon,flochaz/horizon,zouyapeng/horizon,ging/horizon,zouyapeng/horizon