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##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Add support for `MaxInstanceLifetime` option to AWS ec2_asg module.
AWS feature introduction link: https://aws.amazon.com/about-aws/whats-new/2019/11/amazon-ec2-auto-scaling-supports-max-instance-lifetime/

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ec2_asg

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
Usage example:
<!--- Paste example playbooks or commands between quotes below -->
```yaml
- ec2_asg:
    name: myasg
    region: us-east-1
    launch_config_name: my_new_lc
    min_size: 1
    max_size: 5
    desired_capacity: 3
    max_instance_lifetime: 604800  # seconds
```

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new_instances = []
    old_instances = []
    
    if lc_check:
        for i in props['instances']:
            
            if 'launch_template' in props['instance_facts'][i]:
                old_instances.append(i)
            elif props['instance_facts'][i].get('launch_config_name') == props['launch_config_name']:
                new_instances.append(i)
            else:
                old_instances.append(i)
    else:
        module.debug("Comparing initial instances with current: %s" % initial_instances)
        for i in props['instances']:
            if i not in initial_instances:
                new_instances.append(i)
            else:
                old_instances.append(i)
    module.debug("New instances: %s, %s" % (len(new_instances), new_instances))
    module.debug("Old instances: %s, %s" % (len(old_instances), old_instances))
    return new_instances, old_instances
def get_instances_by_launch_template(props, lt_check, initial_instances):