This diff is the last part to the introduction of the keyserver faq section. This diff adds a rotation animation to the chevron icon so that when a faq item is opened then the chevron will transition from pointing down to pointing up
Depends on D8095
I actually think this is a bit too small. But that's what's in the design.
https://www.figma.com/file/L675ETKDnGaSwlpZAw4MIC/Mobile-App?node-id=351%3A455
@ashoat - I think 16px looks better.