Enable otel-agent using DDA annotation (#1475)

[levan-m]

What does this PR do?

Cherry-pick #1475

Motivation

What inspired you to submit this pull request?

Additional Notes

Anything else we should know when reviewing?

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

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Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 57.14286% with 3 lines in your changes missing coverage. Please review.

Project coverage is 48.90%. Comparing base (37dbabd) to head (fd3db70).

Files with missing lines	Patch %	Lines
...ller/datadogagent/feature/enabledefault/feature.go	0.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            v1.10    #1480   +/-   ##
=======================================
  Coverage   48.89%   48.90%           
=======================================
  Files         225      225           
  Lines       19821    19828    +7     
=======================================
+ Hits         9692     9696    +4     
- Misses       9626     9628    +2     
- Partials      503      504    +1     

Flag	Coverage Δ
unittests	48.90% <57.14%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
api/datadoghq/v2alpha1/test/builder.go	92.00% <100.00%> (+0.05%)	⬆️
...ller/datadogagent/feature/enabledefault/feature.go	34.57% <0.00%> (-0.39%)	⬇️

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