updated session.id and telemetry.sdk.elastic_export_timestamp

[bryce-b]

• [x] Create PR as draft
• [ ] Approval by at least one other agent
• [x] Mark as Ready for Review (automatically requests reviews from all agents and PM via CODEOWNERS)
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• [ ] Merge after 2 business days passed without objections \ To auto-merge the PR, add /schedule YYYY-MM-DD to the PR description. /schedule 2023-12-15