lava_wait_jobs.py: Extract trace data from LAVA log

To be used for code coverage purposes. Actual code goes into
codecov_helper module.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I81be8d007fd84dfa0110e478dbf5451c1a9eaff7
diff --git a/lava_helper/lava_wait_jobs.py b/lava_helper/lava_wait_jobs.py
index 9e1532b..08e94f2 100755
--- a/lava_helper/lava_wait_jobs.py
+++ b/lava_helper/lava_wait_jobs.py
@@ -120,6 +120,7 @@
     resubmitted_jobs = [int(x) for x in resubmitted_jobs if x != '']
     return resubmitted_jobs
 
+
 def fetch_artifacts(jobs, user_args, lava):
     if not user_args.artifacts_path:
         return
@@ -139,6 +140,7 @@
         lava.get_job_config(job_id, config)
         time.sleep(0.2)
         lava.get_job_results(job_id, results_file)
+        codecov_helper.extract_trace_data(target_log, job_dir)
     return(jobs)