Adapt to Account.Id refactoring

Change-Id: I669286591fe58b9589ed73d89af660f19e319b00

src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java b/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
index 93daf4d..6234098 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
@@ -105,7 +105,7 @@
     String ident = username(uuid);
     Optional<AccountState> state;
     if (ident.matches(ACCOUNT_ID_PATTERN)) {
-      state = accountCache.get(new Account.Id(Integer.parseInt(ident)));
+      state = accountCache.get(Account.id(Integer.parseInt(ident)));
     } else if (ExternalId.isValidUsername(ident)) {
       state = accountCache.getByUsername(ident);
     } else {