A request to update a job.
.. attribute:: project_id
Required. The ID of the Google Cloud Platform project that the
job belongs to.
Required. The job ID.
Required. Specifies the path, relative to Job, of the field to
update. For example, to update the labels of a Job the
update_mask parameter would be specified as labels, and the
PATCH request body would specify the new value. Note:
Currently, labels is the only field that can be updated.
