Fix owners-autoassign compilation issue.

I32cbcbe0 caused owners-autossign to fail even to compile.
Judging from Idbeb9c5c, this was simply mismerged.

Change-Id: If3421ed45331f74feeb6645f3dc6ad22a1c7eab2
diff --git a/owners-autoassign/src/main/java/com/googlesource/gerrit/owners/common/SyncReviewerManager.java b/owners-autoassign/src/main/java/com/googlesource/gerrit/owners/common/SyncReviewerManager.java
index 5b2ba89..d44cfc1 100644
--- a/owners-autoassign/src/main/java/com/googlesource/gerrit/owners/common/SyncReviewerManager.java
+++ b/owners-autoassign/src/main/java/com/googlesource/gerrit/owners/common/SyncReviewerManager.java
@@ -142,7 +142,7 @@
         in.ignoreAutomaticAttentionSetRules = true;
         if (ownersForAttentionSet != null) {
           in.addToAttentionSet =
-              reviewersAccounts.stream().addToAttentionSet(changeInfo, reviewersAccounts).stream()
+              reviewersAccounts.stream()
                   .map(
                       (reviewer) ->
                           new AttentionSetInput(