Adapt to recent change in plugin API

In Ifc83162780 ChangeNotes.Factory.createChecked() with only Change.Id
was removed to make change index lookup more explicit. Adapt the code
correspondingly.

Change-Id: Ic5350b0c8893dce1c6821ed729a0276c85712744

src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java

diff --git a/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java b/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java
index b4c013b..85d6ff5 100644
--- a/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java
+++ b/src/main/java/com/criteo/gerrit/plugins/automerge/AtomicityHelper.java
@@ -163,7 +163,7 @@
   public RevisionResource getRevisionResource(String project, int changeNumber) {
     com.google.gerrit.entities.Change.Id changeId =
         com.google.gerrit.entities.Change.id(changeNumber);
-    ChangeNotes notes = changeNotesFactory.createChecked(changeId);
+    ChangeNotes notes = changeNotesFactory.createChecked(Project.nameKey(project), changeId);
     try {
       permissionBackend.user(getBotUser()).change(notes).check(READ);
       ChangeData changeData = changeDataFactory.create(Project.nameKey(project), changeId);