autotest: Fix typo in Lucifer flag

https://chromium.googlesource.com/chromiumos/infra/lucifer/+/master/src/lucifer/cmd/lucifer/internal/lucifer_run_job/flags.go#163

BUG=None
TEST=None

Change-Id: I200f70ef9be29219d225738b8549b74e66a6b608
Reviewed-on: https://chromium-review.googlesource.com/1139050
Commit-Ready: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Xixuan Wu <xixuan@chromium.org>
diff --git a/venv/lucifer/cmd/job_reporter.py b/venv/lucifer/cmd/job_reporter.py
index 5ed43d3..48fb698 100644
--- a/venv/lucifer/cmd/job_reporter.py
+++ b/venv/lucifer/cmd/job_reporter.py
@@ -176,7 +176,7 @@
             ['-x-reboot-after',
              RebootAfter.get_string(job.reboot_after).lower()])
     if args.parsing_only:
-        command_args.append('-x-parsing-only')
+        command_args.append('-x-parse-only')
     if job.run_reset:
         command_args.append('-x-run-reset')
     command_args.extend(['-x-test-retries', str(job.test_retry)])