Put atomic policy groups behind a finch feature flip

Bug: 990073, 989734
Change-Id: I35fd81bd4ed1426a0865a2820c818944c263de04
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1731755
Commit-Queue: Yann Dago <[email protected]>
Reviewed-by: Avi Drissman <[email protected]>
Reviewed-by: Robert Kaplow <[email protected]>
Reviewed-by: Julian Pastarmov <[email protected]>
Cr-Commit-Position: refs/heads/master@{#684351}
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index f1d304b..c19ffca 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -921,6 +921,9 @@
 extern const char kPerMethodCanMakePaymentQuotaName[];
 extern const char kPerMethodCanMakePaymentQuotaDescription[];
 
+extern const char kPolicyAtomicGroupsEnabledName[];
+extern const char kPolicyAtomicGroupsEnabledDescription[];
+
 extern const char kPreviewsAllowedName[];
 extern const char kPreviewsAllowedDescription[];