[current results] Listen for new results on path configuration/main/*/latest

Change-Id: Ife50a8b0547fc087dfb37363051a328c7489322a
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/213000
Reviewed-by: Alexander Thomas <athom@google.com>
Commit-Queue: William Hesse <whesse@google.com>
diff --git a/current_results/lib/src/api_impl.dart b/current_results/lib/src/api_impl.dart
index b4241ca..1ddeeb8 100644
--- a/current_results/lib/src/api_impl.dart
+++ b/current_results/lib/src/api_impl.dart
@@ -42,8 +42,7 @@
   Future<FetchResponse> fetch(ServiceCall call, Empty _) async {
     final response = FetchResponse();
     final messages = await notifications.getMessages();
-    final latestObjectPattern =
-        RegExp('^(configuration/master/[^/]+/)latest\$');
+    final latestObjectPattern = RegExp('^(configuration/main/[^/]+/)latest\$');
     final configurations = <String>{};
     for (final message in messages) {
       if (message.attributes['eventType'] == 'OBJECT_FINALIZE') {