##### SUMMARY
The vmware_vm_inventory plugin cannot verify the inventory file when being loaded via the auto plugin

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
lib/ansible/plugins/inventory/vmware_vm_inventory.py

##### ANSIBLE VERSION
```paste below
ansible 2.8.1
  config file = None
  configured module search path = ['/Users/wtome/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/Cellar/ansible/2.8.1_1/libexec/lib/python3.7/site-packages/ansible
  executable location = /usr/local/bin/ansible
  python version = 3.7.4 (default, Sep  7 2019, 18:27:02) [Clang 10.0.1 (clang-1001.0.46.4)]
```

##### CONFIGURATION
```paste below

```

##### OS / ENVIRONMENT
MacOS 10.14.6


##### STEPS TO REPRODUCE
vmware_vm_inventory.yaml
```yaml
---
plugin: vmware_vm_inventory
strict: True
```

##### EXPECTED RESULTS
Inventory should be parsed from vCenter

##### ACTUAL RESULTS
```paste below
ansible-inventory -i vmware_vm_inventory.yaml --playbook-dir=. --list
 [WARNING]:  * Failed to parse /Users/wtome/ansible-
inventory/tests/vmware_vm_inventory.yaml with auto plugin: inventory config
'/Users/wtome/ansible-
inventory/tests/vmware_vm_inventory.yaml' could not be verified by plugin
'vmware_vm_inventory'
```

default: False
            type: boolean
        properties:
            description:
            - Specify the list of VMware schema properties associated with the VM.
            - These properties will be populated in hostvars of the given VM.
            - Each value in the list specifies the path to a specific property in VM object.
            type: list
            default: [ 'name', 'config.cpuHotAddEnabled', 'config.cpuHotRemoveEnabled',
                       'config.instanceUuid', 'config.hardware.numCPU', 'config.template',
                       'config.name', 'guest.hostName', 'guest.ipAddress',
                       'guest.guestId', 'guest.guestState', 'runtime.maxMemoryUsage',
                       'customValue'
                       ]
            version_added: "2.9"
'''
EXAMPLES = '''
# Sample configuration file for VMware Guest dynamic inventory
    plugin: vmware_vm_inventory
    strict: False
    hostname: 10.65.223.31
    username: administrator@vsphere.local
    password: Esxi@123$%
    validate_certs: False
    with_tags: True
# Gather minimum set of properties for VMware guest
    plugin: vmware_vm_inventory
    strict: False
    hostname: 10.65.223.31
    username: administrator@vsphere.local