Fix Jira issue with gap underneath clock/data view
http://jira.dirtyunicorns.com/browse/DU-19

See screenshot below for what it looks like now
http://i.imgur.com/2QCYQOS.png

Change-Id: I51acd7c3e89aa05f051e1be20db04688c77c3c04

Conflicts:
	packages/SystemUI/res/values/custom_dimens.xml