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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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health_check_period:
    description:
      - Length of time in seconds after a new EC2 instance comes into service that Auto Scaling starts checking its health.
    required: false
    default: 300
    version_added: "1.7"
    type: int
  health_check_type:
    description:
      - The service you want the health status from, Amazon EC2 or Elastic Load Balancer.
    required: false
    default: EC2
    version_added: "1.7"
    choices: ['EC2', 'ELB']
    type: str
  default_cooldown:
    description:
      - The number of seconds after a scaling activity completes before another can begin.
    default: 300
    version_added: "2.0"
    type: int
  wait_timeout:
    description:
      - How long to wait for instances to become viable when replaced.  If you experience the error "Waited too long for ELB instances to be healthy",
        try increasing this value.
    default: 300
    type: int
    version_added: "1.8"
  wait_for_instances:
    description: