Migrate boxAgainstJava tests to multi-file framework

compiler/testData/codegen/boxAgainstJava/visibility/protectedStatic/funCallInConstructor.kt

@@ -1,9 +1,25 @@
-class A: funCallInConstructor(funCallInConstructor.protectedFun()) {
-  fun test(): String {
-    return protectedProperty!!
-  }
+// FILE: J.java
+
+public class J {
+    protected final String protectedProperty;
+
+    public J(String str) {
+        protectedProperty = str;
+    }
+
+    protected static String protectedFun() {
+        return "OK";
+    }
+}
+
+// FILE: 1.kt
+
+class A : J(J.protectedFun()) {
+    fun test(): String {
+        return protectedProperty!!
+    }
 }
 
 fun box(): String {
-  return A().test()
+    return A().test()
 }