Set margin of QC's uncollapsed title

Needed to add some additional MultiShrinkScroller code in order to support
interpolating between the maxiumun and minimum margin values. Previously, this
value was constant.

Also noticed I was pointlessly recalculating the minimum margin values.

Change-Id: I234a528517b91ea698eab0fc7996bbe9a8f1f404
3 files changed