Google ADK Instrumentation

[TimPansino]

Overview

• Added instrumentation for Google ADK (Agentic AI) through the following APIs
  • LlmAgent linked to either standard Gemini or VertexAI backends though google.genai.
  • Tools including user defined FunctionTool instances.
  • Sub-Agent workflows including child agents and AgentTool instances.
  • Multi-Agent workflows including the Workflow class, as well as the deprecated LoopAgent, ParallelAgent, and SequentialAgent classes.
• Additional instructions for Claude to find external packages locally.
• Tweaks to ML testing utils to make events_sans_content more universal.

[github-actions]

✅MegaLinter analysis: Success

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	9		0	0	1.09s
✅ MARKDOWN	markdownlint	7	0	0	0	1.49s
✅ PYTHON	ruff	1065	0	0	0	1.13s
✅ PYTHON	ruff-format	1065	0	0	0	0.4s
✅ YAML	prettier	23	0	0	0	1.67s
✅ YAML	v8r	23		0	0	6.46s
✅ YAML	yamllint	23		0	0	0.81s

Notices

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 76.64975% with 46 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.05%. Comparing base (b34d52d) to head (868c846).

Files with missing lines	Patch %	Lines
newrelic/hooks/mlmodel_googleadk.py	76.04%	28 Missing and 18 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1784      +/-   ##
==========================================
- Coverage   82.07%   82.05%   -0.03%     
==========================================
  Files         215      216       +1     
  Lines       26589    26786     +197     
  Branches     4213     4238      +25     
==========================================
+ Hits        21824    21978     +154     
- Misses       3316     3342      +26     
- Partials     1449     1466      +17     

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