Add safe-to-evict annotations to DRA installers

Author: Haihan-Jiang

autoscaling/custom-compute-classes/dra/README.md

@@ -91,6 +91,8 @@ For the GPUs we will use in this example, the following command is sufficient:
 
 ```console
 kubectl apply -f https://raw.githubusercontent.com/GoogleCloudPlatform/container-engine-accelerators/master/nvidia-driver-installer/ubuntu/daemonset-preloaded.yaml
+kubectl patch daemonset nvidia-driver-installer -n kube-system -p \
+  '{"spec":{"template":{"metadata":{"annotations":{"cluster-autoscaler.kubernetes.io/safe-to-evict":"true"}}}}}'
 ```
 
 The container toolkit is installed via a DaemonSet:

autoscaling/custom-compute-classes/dra/nvidia-container-toolkit-installer.yaml

@@ -25,6 +25,8 @@ spec:
       app: nvidia-container-toolkit-installer
   template:
     metadata:
+      annotations:
+        cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
       labels:
         app: nvidia-container-toolkit-installer
     spec: