KT-3553 Problem with propagation for extension functions

#KT-3553 fixed

compiler/testData/loadJava/javaAgainstKotlin/signaturePropagation/InheritExtensionFunction/Sub.java

@@ -0,0 +1,6 @@
+package test;
+
+public class Sub extends Super {
+    public String bar(String recv, String param) {
+    }
+}