Summary:
After some thought, we decided we don't need the flexibility of
separate horizontal and vertical props - it would be much nicer
to just have a single prop for the edge length and then the native
code can enable the booleans as appropriate.
Original PR: https://github.com/facebook/react-native/pull/26163
Original commit changeset: f72a9a890d90
Reviewed By: TheSavior
Differential Revision: D16997468
fbshipit-source-id: 7973262287a7ec2cee5957f8dc1806a0f28c1432