OOBE - Include paper-spinner in progress_list_item

Change-Id: Idb6cb5718a907d08fb08597ce4666ec9bc4e04b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2517481
Auto-Submit: Renato Silva <rrsilva@google.com>
Reviewed-by: Denis Kuznetsov [CET] <antrim@chromium.org>
Commit-Queue: Denis Kuznetsov [CET] <antrim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824012}

chrome/browser/resources/chromeos/login/components/progress_list_item.html

@@ -5,6 +5,7 @@
 
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-spinner/paper-spinner-lite.html">
 
 <link rel="import" href="/components/common_styles.html">
 <link rel="import" href="/components/oobe_i18n_behavior.html">