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