Summary:
Rewrites `ReactNativeStyleAttributes` so that it is statically defined.
This means it will no longer require a handful of modules that defines `prop-types` only to use their keys.
Functionally, this should be equivalent to what was there before.
Changelog:
[Internal]
Reviewed By: TheSavior
Differential Revision: D29019308
fbshipit-source-id: 47f85a8c7703a133c68c20c7f3e14e1026ce4ff2