Use istio.deps to locate proxy version. (#3641)
Use istio.deps to locate proxy version. (#3641)

istio.Version proxy tag is modified by builds.
(TODO: find why...)
smawson/istio,istio/istio,geeknoid/istio,frankbu/istio,frankbu/istio,geeknoid/istio,istio/istio,frankbu/istio,frankbu/istio,geeknoid/istio,geeknoid/istio,smawson/istio,geeknoid/istio,smawson/istio,istio/istio,istio/istio,smawson/istio,istio/istio,smawson/istio,smawson/istio,frankbu/istio,frankbu/istio,geeknoid/istio