Top Performers: Support dynamic text

[bummytime]

While working on #305, @jleandroperez and I noticed that after updating the text size in the Accessibility Inspector, the top performers view gets clipped:

The height constraint for the top perf container view does have a higher-priority constraint that should grow but is not:

Since there are a lot of things happening on this screen, let's break this down and determine if this is an IB, SDK, or "our code" thing.

[bummytime]

Update 1/14/2019: Tested latest build of develop on-device...dynamic text is working just fine on Top Performers:

Closing this issue.