Support visibility for protected static members

#KT-2999 Fixed

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

@@ -0,0 +1,9 @@
+object A: protectedStaticFunObject() {
+  fun test(): String {
+    return protectedStaticFunObject.protectedFun()!!
+  }
+}
+
+fun box(): String {
+  return A.test()
+}