Phone//Phablet UIs: Bring back two-line layout for status bar date.

Change-Id: I4bf7ce61b22da89b3b8c1a3f00e077461061f7b9

Conflicts:

	packages/SystemUI/res/layout/status_bar_expanded_header.xml
Pie//Tablet UIs: Add 2 line date view
TabletUI: Slightly increase space between icons
Merge branch 'original/jb43'