correctly generate Java superclass constructor calls; don't replace owner when Java method is called via a Jet class

idea/testData/codegen/classes/exceptionConstructor.jet

@@ -0,0 +1,7 @@
+class GameError(msg: String): Exception(msg) {
+}
+
+fun box(): String {
+  val e = GameError("foo")
+  return if (e.getMessage() == "foo") "OK" else "fail"
+}