Do not normalize visibilities for fake overrides

#KT-4525 Fixed

compiler/testData/diagnostics/tests/j+k/invisiblePackagePrivateInheritedMember.kt

@@ -0,0 +1,23 @@
+// FILE: a/M.java
+package a;
+
+public class M {
+    int m;
+}
+
+// FILE: b/F.java
+package b;
+
+import a.M;
+
+public class F extends M {
+}
+
+// FILE: c.kt
+package c
+
+import b.F
+
+fun f() {
+    F().<!INVISIBLE_MEMBER!>m<!>
+}