Fix supertypes for reflected Java classes, always include j.l.Object

equals/hashCode/toString had not appeared in Java classes' "members" because of
this

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxWithJavaCodegenTestGenerated.java

@@ -273,6 +273,12 @@ public class BlackBoxWithJavaCodegenTestGenerated extends AbstractBlackBoxCodege
             doTestWithJava(fileName);
         }
 
+        @TestMetadata("javaClassGetFunctions")
+        public void testJavaClassGetFunctions() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithJava/reflection/javaClassGetFunctions/");
+            doTestWithJava(fileName);
+        }
+
         @TestMetadata("javaMethodsSmokeTest")
         public void testJavaMethodsSmokeTest() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithJava/reflection/javaMethodsSmokeTest/");