Add config for demo mode resources component

BUG=869455

Change-Id: I907efad478d475616af51576707bb6f0a6bd6ea7
Reviewed-on: https://chromium-review.googlesource.com/1182416
Commit-Queue: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586306}

chrome/browser/component_updater/cros_component_installer_chromeos.cc

@@ -44,6 +44,8 @@ const ComponentConfig kConfigs[] = {
      "6d24de30f671da5aee6d463d9e446cafe9ddac672800a9defe86877dcde6c466"},
     {"cros-cellular", "1.0",
      "5714811c04f0a63aac96b39096faa759ace4c04e9b68291e7c9716128f5a2722"},
+    {"demo-mode-resources", "1.0",
+     "93c093ebac788581389015e9c59c5af111d2fa5174d206eb795042e6376cbd10"},
 };
 
 const ComponentConfig* FindConfig(const std::string& name) {