Fixed an issue where the pattern wouldn't show properly

Because we were still collapsed, the height of the pattern
could still remain 0 and we would try to animate in a state
that doesn't make sense. we're now delaying it until we're
drawn.

Change-Id: I2588e5ccd45f1f472825e5502590a9890029a9b8
Fixes: 65441390
Test: follow steps on bug, observe normal pattern