lifecycle for dynamic configuration

[seeflood]

What would you like to be added:
There's a problem when implementing the dynamic configuration feature. After agent got all the configuration via XDS, it tried to invoke the Layotto Lifecycle API but got an error:

To solve this problem, we need to use the health check hooks. The agent should invoke Lifecycle API after Layotto get started, but before the sidecar passes the readiness check

Why is this needed:

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity in the last 30 days. It will be closed in the next 7 days unless it is tagged (pinned, good first issue or help wanted) or other activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically closed because it has not had activity in the last 37 days. If this issue is still valid, please ping a maintainer and ask them to label it as pinned, good first issue or help wanted. Thank you for your contributions.