Statusbar clock controls (2 of 2)

Summary:
Center, right, gone
Percent - show hide

Depneds on D443

Change-Id: I56997c5229e22cf38a4220bc7f287d8c0055b55a

Test Plan: g2g

Reviewers: synergy

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D445