Switch to YogaNode.create()

Summary:
@public

Switches instance creation from `new YogaNode()` to `YogaNode.create()`.

This allows for experimentation with different implementations, while maintaining API + ABI compatibility internally at FB, as well as for dependent projects in open source and elsewhere.

Reviewed By: amir-shalem

Differential Revision: D14122975

fbshipit-source-id: f194b146b7cd693dba1a7dafdf92d350e54cb179

java/tests/com/facebook/yoga/TestParametrization.java

@@ -15,12 +15,12 @@ public class TestParametrization {
     NodeFactory nodeFactory = new NodeFactory() {
       @Override
       public YogaNode create() {
-        return new YogaNode();
+        return YogaNode.create();
       }
 
       @Override
       public YogaNode create(YogaConfig config) {
-        return new YogaNode(config);
+        return YogaNode.create(config);
       }
 
       @Override