Make builders readable by everybody

Change-Id: Ieb3b33a9cd016634e3df4906e69fd0434d449b65
diff --git a/infra/config/global/cr-buildbucket.cfg b/infra/config/global/cr-buildbucket.cfg
index 9e5b80f..8a3f94f 100644
--- a/infra/config/global/cr-buildbucket.cfg
+++ b/infra/config/global/cr-buildbucket.cfg
@@ -54,7 +54,7 @@
   name: "ci"
   acls {
     role: READER
-    group: "project-r8-readers"
+    group: "all"
   }
   acls {
     role: SCHEDULER