Generate static accessors fro protected functions in different packages

#KT-4617 Fixed

compiler/testData/codegen/bytecodeText/accessorForProtected.kt

@@ -0,0 +1,16 @@
+package a
+
+open class A {
+    protected fun protectedFun(): String = "OK"
+}
+
+class BSamePackage: A() {
+    fun test(): String {
+        val a = {
+            protectedFun()
+        }
+        return a()
+    }
+}
+
+// 0 INVOKESTATIC a/BSamePackage.protectedFun