Merge "Fix preload of gr-app.js resource"

diff --git a/polygerrit-ui/app/index.html b/polygerrit-ui/app/index.html
index 05f6119..cd66b21 100644
--- a/polygerrit-ui/app/index.html
+++ b/polygerrit-ui/app/index.html

@@ -29,7 +29,7 @@
 <link rel="stylesheet" href="/styles/fonts.css">
 <link rel="stylesheet" href="/styles/main.css">
 <script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
-<link rel="preload" href="/elements/gr-app.js" crossorigin="anonymous">
+<link rel="preload" href="/elements/gr-app.js" as="script">
 <link rel="import" href="/elements/gr-app.html">
 
 <body unresolved>