Summary:
@public
Adds an implementation of `YogaNodeProperties` that accesses style and layout properties using a `ByteBuffer` rather than JNI calls.
We hope for a speed improvement.
This needs further cleanup after experimenting, e.g. to codegen the offsets.
Reviewed By: pasqualeanatriello
Differential Revision: D8911723
fbshipit-source-id: 3c24b57eb545155878896ebb5d64d4553eb6bedc