Add imagePullPolicy, needed by injector
Add imagePullPolicy, needed by injector

Signed-off-by: John Howard <d864760d805af0f2f245f85d18382dd184bb0c60@google.com>

smawson/istio,istio/installer,smawson/istio,smawson/istio,smawson/istio,istio/istio,istio/istio,smawson/istio,istio/istio,istio/istio,smawson/istio,istio/installer,istio/istio