##### SUMMARY
strategy contains call to Display.deprecated or AnsibleModule.deprecate and is scheduled for removal

```
lib/ansible/plugins/strategy/__init__.py:937:16: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
```

##### ISSUE TYPE
 - Bug Report

##### COMPONENT NAME
```
lib/ansible/plugins/strategy/__init__.py
```

##### ANSIBLE VERSION
```
2.12
```

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### STEPS TO REPRODUCE
N/A

##### EXPECTED RESULTS
N/A

##### ACTUAL RESULTS
N/A

for block in new_blocks:
                        iterator._play.handlers.append(block)
                        for task in block.block:
                            task_name = task.get_name()
                            display.debug("adding task '%s' included in handler '%s'" % (task_name, handler_name))
                            task.notified_hosts = included_file._hosts[:]
                            result = self._do_handler_run(
                                handler=task,
                                handler_name=task_name,
                                iterator=iterator,
                                play_context=play_context,
                                notified_hosts=included_file._hosts[:],
                            )
                            if not result:
                                break
                except AnsibleError as e:
                    for host in included_file._hosts:
                        iterator.mark_host_failed(host)
                        self._tqm._failed_hosts[host.name] = True
                    display.warning(to_text(e))
                    continue
        
        handler.notified_hosts = [
            h for h in handler.notified_hosts
            if h not in notified_hosts]
        display.debug("done running handlers, result is: %s" % result)
        return result
    def _filter_notified_failed_hosts(self, iterator, notified_hosts):