Add "Predator-For-Me" to the list of robots.

See https://source.chromium.org/chromium/infra/infra_superproject/+/main:infra/appengine/predator/README.md for more information about the project.

Change-Id: Ib85f57d5e6e4ddc20121a58720df39a112a35074
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6249486
Reviewed-by: Dominic Battré <battre@chromium.org>
Commit-Queue: Shuai Xia <shuaixia@google.com>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1418963}

PRESUBMIT.py

@@ -2343,7 +2343,10 @@ _ALL_PYDEPS_FILES = _ANDROID_SPECIFIC_PYDEPS_FILES + _GENERIC_PYDEPS_FILES
 
 # Bypass the AUTHORS check for these accounts.
 _KNOWN_ROBOTS = set(
-  ) | set('%s@appspot.gserviceaccount.com' % s for s in ('findit-for-me', 'luci-bisection')
+  ) | set('%s@appspot.gserviceaccount.com' % s for s in ('findit-for-me',
+                                                         'luci-bisection',
+                                                         'predator-for-me-staging',
+                                                         'predator-for-me')
   ) | set('%s@developer.gserviceaccount.com' % s for s in ('3su6n15k.default',)
   ) | set('%s@chops-service-accounts.iam.gserviceaccount.com' % s
           for s in ('bling-autoroll-builder', 'v8-ci-autoroll-builder',