[dart] Fix 'test engine' step on Luci

'test engine' has a dependency on depot_tools (ninja).

Change-Id: I5e75cf7311b7a6400d905784714d27024c254ceb
Reviewed-on: https://chromium-review.googlesource.com/c/1495094
Auto-Submit: Alexander Thomas <athom@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
3 files changed
tree: c8fae08563a136d9ce6df7107389e0260e39ed7f
  1. infra/
  2. masters/
  3. scripts/
  4. site_config/
  5. slave/
  6. tests/
  7. third_party/
  8. .gitattributes
  9. .gitignore
  10. .vpython
  11. codereview.settings
  12. DEPS
  13. environment.cfg.py
  14. LICENSE
  15. OWNERS
  16. PRESUBMIT.py
  17. README.md
  18. WATCHLISTS
README.md

build

Hi build contributor! If you do any change in scripts/master/ or touching any master's html/ directories, you must restart master.chromium.fyi first and ensure that it still works before restarting other masters.

Recipes

If you're here to make a change to ‘recipes’ (the code located in scripts/slave/recipes*), please take a look at the README for more information pertaining to recipes.