Collect overrides of special builtin members in super types

#KT-9695 Fixed

compiler/testData/codegen/boxWithJava/collections/irrelevantImplCharSequence/J.java

@@ -0,0 +1,15 @@
+public class J {
+    abstract static public class AImpl {
+        public char charAt(int index) {
+            return 'A';
+        }
+
+        public final int length() { return 56; }
+    }
+
+    public static class A extends AImpl implements CharSequence {
+        public CharSequence subSequence(int start, int end) {
+            return null;
+        }
+    }
+}