java classes should extend java.lang.Object

#KT-1121 fixed

compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.txt

@@ -1,8 +1,8 @@
 namespace test
 
-final class test.Outer</*0*/ P : jet.Any?> : jet.Any {
+final class test.Outer</*0*/ P : jet.Any?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?><init>(): test.Outer<P>
-    final class test.Outer.Inner : jet.Any {
+    final class test.Outer.Inner : java.lang.Object {
         final /*constructor*/ fun <init>(): test.Outer.Inner
         final fun </*0*/ Q : P>f(): jet.Tuple0
     }