Update virtlet-ds.yml

Latest virtlet doesn't work with old daemonset. So, to support
latest virtlet we need to update it.
Also adding a condition for mountPropagation=True in kube-apiserver
for kube >=1.8

Change-Id: I2644445553a512f639e522fcf887eb1fa34d0b12
Repated-prod: PROD-17851
5 files changed