Latency sensitivity specification for this vcpu.
The latency sensitivity can be configured per-vcpu only when the VM
configured to high
in the same ConfigSpec.
but not setting the vcpu's LatencySensitivity would apply the VM's
latency sensitivity level to all the vcpus of the VM.
The latency sensitivity of the vcpu should not exceed the
latency sensivity level of the VM.
The only allowed levels for vcpu Latency sensitivity
are high or