start watcher after all creds have been loaded (#9301)

start watcher after all creds have been loaded
to avoid any conflicting locks that might get
deadlocked.

Deprecate unused peer calls for LoadUsers()

buildscripts/race.sh

@@ -3,5 +3,5 @@
 set -e
 
 for d in $(go list ./... | grep -v browser); do
-    CGO_ENABLED=1 go test -v -race --timeout 20m "$d"
+    CGO_ENABLED=1 go test -v -race --timeout 50m "$d"
 done