Allow web url https://www.google.com/chrome/devices/goodies.html

BUG=chromium:406628
TEST=manual on daisy

Review URL: https://codereview.chromium.org/512323003

Cr-Commit-Position: refs/heads/master@{#293067}

chrome/browser/resources/chromeos/echo/manifest.json

@@ -40,7 +40,7 @@
   "externally_connectable": {
     "ids": ["*"],
     "matches": [
-      "*://www.google.com/*/chrome/devices/goodies.html*"
+      "*://www.google.com/*chrome/devices/goodies.html*"
     ]
   }
 }