<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Now "vmware_host_facts" module returns the ESXi version and build number, no update version info, so request getting that info too.
References:
https://www.virtuallyghetto.com/2016/08/quick-tip-how-to-retrieve-the-esxi-update-level-using-the-vsphere-api.html
MOB path:
https://esxi_hostname/mob/?moid=ha-adv-options&doPath=setting%5b%22Misc.HostAgentUpdateLevel%22%5d




##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
vmware_host_facts
##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
Some features of ESXi are introduced in specific ESXi update release, so it's better to get that info and use it as a condition before some tasks. 
<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can also paste gist.github.com links for larger files -->

esxi_hostname: "{{ esxi_hostname }}"
  register: host_facts
  delegate_to: localhost
- name: Gather vmware host facts from vCenter with tag information
  vmware_host_facts:
    hostname: "{{ vcenter_server }}"
    username: "{{ vcenter_user }}"
    password: "{{ vcenter_pass }}"
    esxi_hostname: "{{ esxi_hostname }}"
    show_tag: True
  register: host_facts_tag
  delegate_to: localhost
- name: Get VSAN Cluster UUID from host facts
  vmware_host_facts:
    hostname: "{{ esxi_server }}"
    username: "{{ esxi_username }}"
    password: "{{ esxi_password }}"
  register: host_facts
- set_fact:
    cluster_uuid: "{{ host_facts['ansible_facts']['vsan_cluster_uuid'] }}"
- name: Gather some info from a host using the vSphere API output schema
  vmware_host_facts:
    hostname: "{{ vcenter_server }}"
    username: "{{ vcenter_user }}"
    password: "{{ vcenter_pass }}"
    esxi_hostname: "{{ esxi_hostname }}"
    schema: vsphere
    properties:
      - hardware.memorySize
      - hardware.cpuInfo.numCpuCores