[autotest] Correct an autotest scheduler comment.

Misleading comments are misleading.

TEST=None
BUG=None

Change-Id: I7f145a0499a1e812adc6090f797a66aac8b65380
Reviewed-on: https://gerrit.chromium.org/gerrit/63119
Tested-by: Alex Miller <milleral@chromium.org>
Reviewed-by: Prashanth Balasubramanian <beeps@chromium.org>
Commit-Queue: Alex Miller <milleral@chromium.org>
diff --git a/scheduler/monitor_db.py b/scheduler/monitor_db.py
index 1dc0799..8cf08a5 100755
--- a/scheduler/monitor_db.py
+++ b/scheduler/monitor_db.py
@@ -1115,6 +1115,8 @@
             self.task.abort()
             if self.task.aborted:
                 # tasks can choose to ignore aborts
+                # but task is an afe HQE model, which always aborts when asked
+                # to, so this always happens given the current code.
                 self.finished = True