Fix CI: Persist build artifacts to workspace
Fix CI: Persist build artifacts to workspace

The download_build job needs to persist its artifacts to the workspace
so downstream jobs can access them.

Persist the same directories as the normal build job.

camsong/react,camsong/react,camsong/react,camsong/react,camsong/react,facebook/react,facebook/react,camsong/react,facebook/react,facebook/react,facebook/react,facebook/react,facebook/react,camsong/react