Switch to YogaConfigFactory.create

Summary: Switch to `YogaNodeFactory.create()` instead of using `YogaNode.create()`

Reviewed By: SidharthGuglani

Differential Revision: D17266408

fbshipit-source-id: 69e1e59c7345d16eb174af97c2e231666a02354b

gentest/gentest-java.js

@@ -72,7 +72,7 @@ JavaEmitter.prototype = Object.create(Emitter.prototype, {
     this.push('public void test_' + name + '() {');
     this.pushIndent();
 
-    this.push("YogaConfig config = new YogaConfig();")
+    this.push("YogaConfig config = YogaConfigFactory.create();")
     for (var i in experiments) {
       this.push('config.setExperimentalFeatureEnabled(YogaExperimentalFeature.' + toJavaUpper(experiments[i]) +', true);');
     }