Migrate struct() to skylarkbuildapi

RELNOTES: None.
PiperOrigin-RevId: 197915097
diff --git a/src/main/java/com/google/devtools/build/lib/packages/Attribute.java b/src/main/java/com/google/devtools/build/lib/packages/Attribute.java
index 933790f..0bc32e42 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/Attribute.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/Attribute.java
@@ -1513,7 +1513,7 @@
     private Object invokeCallback(EventHandler eventHandler, Map<String, Object> attrValues)
         throws EvalException, InterruptedException {
       ClassObject attrs =
-          NativeProvider.STRUCT.create(
+          StructProvider.STRUCT.create(
               attrValues, "No such regular (non computed) attribute '%s'.");
       Object result = callback.call(eventHandler, attrs);
       try {