[Backport 7.59.x] [incident-33304] Expect container tags on dogstatsd metrics

[L3n41c]

Backport 626f570 from #32222.

---

What does this PR do?

Expect container tags on dogstatsd metrics in all scenarios.

Motivation

With the latest improvements of origin detection, the agent is now able to figure out the origin container in all cases.

Describe how you validated your changes

Run e2e tests.

Possible Drawbacks / Trade-offs

Additional Notes

incident-33304

[agent-platform-auto-pr]

[Fast Unit Tests Report]

On pipeline 51268742 (CI Visibility). The following jobs did not run any unit tests:

Jobs:

• tests_deb-arm64-py3
• tests_deb-x64-py3
• tests_flavor_dogstatsd_deb-x64
• tests_flavor_heroku_deb-x64
• tests_flavor_iot_deb-x64
• tests_rpm-arm64-py3
• tests_rpm-x64-py3
• tests_windows-x64

If you modified Go files and expected unit tests to run in these jobs, please double check the job logs. If you think tests should have been executed reach out to #agent-devx-help

[agent-platform-auto-pr]

Test changes on VM

Use this command from test-infra-definitions to manually test this PR changes on a VM:

inv create-vm --pipeline-id=51268742 --os-family=ubuntu

Note: This applies to commit ddb4f92

[cit-pr-commenter]

Regression Detector

[L3n41c]

No fixes need to be backported to 7.59.x.