Enable qs open while shade expansion is still running

Fixes: 190837480
Test: slowly fling shade open, swipe qs open => qs opens, qs does not
show extra tiles during shade open (before second swipe to open qs)

Change-Id: I359935e55e24b4e7faaf5e9d3fdc80fc55d965b8
Merged-In: I359935e55e24b4e7faaf5e9d3fdc80fc55d965b8