Add SDK metrics

[joshua-kim]

Add metrics to the p2p sdk. We can allow the VM to pass in a metrics namespace when registering app protocols to emit them to.

[github-actions]

This issue has become stale because it has been open 60 days with no activity. Adding the lifecycle/frozen label will cause this issue to ignore lifecycle events.

[utkarsh-shrivastav77]

Hi can I work on this issue

[github-actions]

This issue has become stale because it has been open 60 days with no activity. Adding the lifecycle/frozen label will cause this issue to ignore lifecycle events.