VCSim does not support QueryVirtualDiskInfo_Task

[parveenchahal]

Is your feature request related to a problem? Please describe.
It is throwing error. no vmomi type defined for 'QueryVirtualDiskInfo_Task' when I try to query disk info.
govmomi func call: https://github.com/vmware/govmomi/blob/master/object/virtual_disk_manager_internal.go#L79

Describe the solution you'd like
func call: https://github.com/vmware/govmomi/blob/master/object/virtual_disk_manager_internal.go#L79
It should return disk info like it does against real vCenter.

[github-actions]

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