Summary:
@public
Aspect ratio being defined as width/height or height/width depending on the situation it was used in turned out to be very confusing. This diff makes aspect ratio always be defined as width/height irregardless of the usage.
Differential Revision: D4339132
fbshipit-source-id: e5da32750b55ddaf6acaf1cbd7662d86f2b480c3
071f576db9