The dependencies built without MSAN (chiefly, libudev) aren't used
by the fuzz targets, so it seems safe to bring MSAN back. Verified
locally with 'python infra/helper.py'.
* [presubmit] Enforce language attribute in projectt.yaml to be always set.
* Update documentation, better presubmit check, new project template.
* add docstring to templates.py
* Add example values in the project.yaml template and remove python value for now
* Add "project: c++" to 256 projects
* format
* Add labels and selective_unpack sections to the presubmit check
* fix incorrect auto_ccs format in three projects
* fix nss emails after rebase
pedro martelletto