Update PRESUBMIT.py to allow OWNERS Cleanup bot to submit CLs.

Change-Id: I2d4bf5d3337ae95266102b5f555d352125846ea4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2818199
Auto-Submit: Yulan Lin <[email protected]>
Reviewed-by: Dirk Pranke <[email protected]>
Commit-Queue: Dirk Pranke <[email protected]>
Cr-Commit-Position: refs/heads/master@{#871051}
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 74d22d5..b3133c97 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -1344,7 +1344,9 @@
   ) | set('%[email protected]' % s
           for s in ('chromium-autoroll', 'chromium-release-autoroll')
   ) | set('%[email protected]' % s
-          for s in ('chromium-internal-autoroll',))
+          for s in ('chromium-internal-autoroll',)
+  ) | set('%[email protected]' % s
+          for s in ('swarming-tasks',))
 
 
 def _IsCPlusPlusFile(input_api, file_path):