Swicth to 1.0.0-alpha2 containerd api.

Signed-off-by: Mike Brown <brownwm@us.ibm.com>

hack/test-cri.sh

@@ -61,6 +61,7 @@ if [ ! -x "$(command -v containerd)" ]; then
 fi
 sudo pkill containerd
 sudo containerd -l debug &> ${REPORT_DIR}/containerd.log &
+sleep 1 # sleep 1 seconds for containerd to be ready.
 
 # Start cri-containerd
 cd ${ROOT}