Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 85bbacc1afb2d7160128bee00e194ae5834a8296
  - Merge "Upgrade istio-operator"
  - Upgrade istio-operator
    
    Issue-ID: AAF-1023
    Signed-off-by: Pramod <pramod.raghavendra.jayathirth@intel.com>
    Change-Id: I863a06ee8f504febb822d02c054860065ad888b9
    
1 file changed