[EKS] [request]: Managed Node Group ASG AZ Rebalance Does not Respect Container Prestop

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**Tell us about your request**
When ASG AZ Rebalanced, EKS Managed Node Groups starts to drain the node and evict all the pods, and the default lifecycle hook Heartbeat timeout is 1800. If the pod has a prestop with sleep 1800s and terminationgraceperiods with 3600s, the ec2 node should wait at least 1800 then terminate the ec2 node. But currently, it only waits ~15 mins and does not respect the prestop.

**Which service(s) is this request for?**
EKS

**Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard?**
The managed node groups az rebalance should respect the container prestop settings and terminate the ec2 node gracefully if the container has a prestop.

**Are you currently working around this issue?**
Add an additional custom lifecycle hook with 1800 Heartbeat timeout and no custom action.

This is an EKS service request rather than a repository change, and the issue names no files or tests. Start by reviewing the described AZ rebalance, lifecycle-hook, prestop, and termination-grace-period behavior. Done would mean managed node groups wait for the container prestop before terminating the EC2 node.

Written by the indexing model from the issue text.