Back out "[Yoga] Remove comparison to `YGUndefined` *and* `0.0f`"
Back out "[Yoga] Remove comparison to `YGUndefined` *and* `0.0f`"

Summary: Original commit changeset: 13c8f24e1bc8

Reviewed By: fabiomassimo

Differential Revision: D15583502

fbshipit-source-id: efc6175f6c4925a383fea723195c073f49e2eff1

facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho