Update docs about built-in attributes of rules.
Historically built-in attributes were possible to override, but it's not the case anymore. This feature caused issues.
MOS_MIGRATED_REVID=147138115
@@ -266,7 +266,7 @@ public class SkylarkRuleClassFunctions {
+ "implicitly added and must not be specified. Attributes "
+ "<code>visibility</code>, <code>deprecation</code>, <code>tags</code>, "
+ "<code>testonly</code>, and <code>features</code> are implicitly added and "
- + "might be overriden."
+ + "cannot be overriden."
),
// TODO(bazel-team): need to give the types of these builtin attributes
@Param(
