QQS visual fixes.

- Allow QQS header status icon / date view header to expand with larger
font sizes.
- Ensure alarm icon in QQS header does not show without the
corresponding alarm text.
- Fix QQS status bar, icons and QS tile margins.

Change-Id: Icf11fc5c581cb6d3254f6223ba4bcac2879c7f16
Fixes: 78571967
Fixes: 78536526
Fixes: 77123524
Test: visual