Support visibility for protected static members

#KT-2999 Fixed

compiler/testData/codegen/visibility/withJava/protected_static/protectedStaticFunGenericClass.kt

@@ -0,0 +1,9 @@
+class Derived(): protectedStaticFunGenericClass<String>() {
+    fun test(): String {
+        return protectedStaticFunGenericClass.protectedFun()!!
+    }
+}
+
+fun box(): String {
+   return Derived().test()
+}