KT-2303 Support loading private class members from bytecode

#KT-2303 obsolete

compiler/testData/loadJava/compiledKotlin/visibility/PrivateClassMembers.kt

@@ -0,0 +1,14 @@
+//ALLOW_AST_ACCESS
+
+package test
+
+public class PrivateClassMembers {
+    private val v = 0
+
+    private var r = 0
+        private set
+
+    private fun f() = 0
+
+    internal val internal = 0
+}