[infra] Fix AUTHORS check

It's looking for "google.com" but skia-swarming-bots doesn't have that
prefix.

Bug: skia:7833, skia:7050
Change-Id: I851453a20f46cd62772b9301226a315a6076ff89
Reviewed-on: https://skia-review.googlesource.com/123980
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 94a4bce..3991954 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -61,8 +61,8 @@
 }
 
 SERVICE_ACCOUNT_SUFFIX = [
-    '@%s.google.com.iam.gserviceaccount.com' % project for project in [
-        'skia-buildbots', 'skia-swarming-bots']]
+    '@%s.iam.gserviceaccount.com' % project for project in [
+        'google.com.skia-buildbots', 'skia-swarming-bots']]
 
 
 def _CheckChangeHasEol(input_api, output_api, source_file_filter=None):