Google ADK Instrumentation (#1784)

* Add Google ADK Test Infra (#1761)

* Add google adk test infra

* [MegaLinter] Apply linters fixes

* Google ADK Agents Instrumentation (#1767)

* Google ADK Agents Instrumentation

* Expand Megalinter ignored files

* Change function trace name to shortform

* Google ADK Tool Instrumentation (#1768)

* Google ADK Tool Instrumentation

* Expand Megalinter ignored files

* Apply suggestions from code review

* Gate subcomponent attrs to local tools

* Renaming according to code review

* Google ADK Vertex Testing (#1773)

* Add vertex testing

* Import VCR changes from main

* Rerecord ADK responses

* Correct changes after merge

* Google ADK Test Updates (#1776)

* New recorded ADK responses

* Additional CLAUDE instructions

* Tweaking conftest constants

* Better ML testing util functionality

* Update instrumentation for future

* Clean style of agent tests

* Clean style of tool tests

* AgentTool testing (#1778)

* Sub-Agent Tests (#1777)

* Google ADK LoopAgent Support (#1779)

* LoopAgent Instrumentation

* LoopAgent Testing

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Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

* Google ADK SequentialAgent Support (#1781)

* SequentialAgent Instrumentation

* SequentialAgent Tests

* Google ADK ParallelAgent Support (#1780)

* ParallelAgent Instrumentation

* ParallelAgent Tests

Correct validations for errors

* Workflow tests (#1782)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

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Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>