Adding sha for istio/tools to manifest.txt for future automation of perf tests (#11706)
Adding sha for istio/tools to manifest.txt for future automation of perf tests (#11706)


istio/istio,geeknoid/istio,istio/istio,smawson/istio,geeknoid/istio,smawson/istio,istio/istio,geeknoid/istio,smawson/istio,geeknoid/istio,geeknoid/istio,smawson/istio,istio/istio,geeknoid/istio,smawson/istio,istio/istio,smawson/istio