Merge https://github.com/google/adk-python/pull/1815
fix: path parameter extraction for complex Google API endpoints
- Fix GoogleApiToOpenApiConverter to handle path parameters in complex endpoints like /v1/documents/{documentId}:batchUpdate
- Use Google Discovery Document 'location' field
- Add comprehensive test suite for Google Docs batchUpdate functionality
- Verify parameter location handling for complex endpoint patterns
- Test schema validation for BatchUpdateDocumentRequest/Response
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/adk-python/pull/1815 from goldylocks87:fix-issue-1814-path-parameter-extraction af5508ec6975b1ccbc34931a0041e422ee259c16
PiperOrigin-RevId: 794301898
