Better timeout handling for jobs

[nuclearcat]

Right now we have timeout for kernel builds and LAVA jobs. But we do not check if process (k8s job, or LAVA job) is still alive. In some cases due large queue of jobs, we have situation when job is not started, but it is already marked as failed due timeout. We need to check if process is still alive, and if it is alive - extend timeout, if not - mark it as failed.