Serialize TransformOrigin to folly::dynamic (#45396)

Summary:
Pull Request resolved: #45396

This diff extends TransformOrigin with a new method to serialize this Struct into a folly::dynamic map (similar to Transform)

changelog: [internal] internal

Reviewed By: sammy-SC

Differential Revision: D59613247

fbshipit-source-id: 00e4a08d1a99fe9cabb67206e21712e65b355f7f

Author: mdvacca

packages/react-native/ReactCommon/react/renderer/graphics/Transform.h

@@ -67,6 +67,17 @@ struct TransformOrigin {
     return xy[0].value != 0.0f || xy[0].unit != UnitType::Undefined ||
         xy[1].value != 0.0f || xy[1].unit != UnitType::Undefined || z != 0.0f;
   }
+
+#ifdef ANDROID
+
+  /**
+   * Convert to folly::dynamic.
+   */
+  operator folly::dynamic() const {
+    return folly::dynamic::array(xy[0].value, xy[1].value, z);
+  }
+
+#endif
 };
 
 /*