Merge https://github.com/google/adk-python/pull/2167, during which:
- Let the already added `max_query_result_rows` field cover for `max_downloaded_rows` field added in the PR
- Revert `max_rows` parameter added to execute_sql function, the tool config control should serve most practical use cases
- Keep the relevant tests for tool config
🤖 Generated with [Claude Code](https://claude.ai/code)
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/adk-python/pull/2167 from lupuletic:feature/configurable-max-downloaded-rows 23c56905c297d7aec2be4f1eb86ea23c8178bf21
PiperOrigin-RevId: 830701093