Better support for Cellular roaming state in ONC

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 5862 matching lines @@
   </message>
   <message name="IDS_NETWORK_UI_PROPERTY_FORMAT" desc="Drowpdown label for network property format">
     Property format:
   </message>
   <message name="IDS_NETWORK_UI_FORMAT_NORMAL" desc="Label in network property format dropdown for unmanaged ONC properties">
     ONC
   </message>
   <message name="IDS_NETWORK_UI_FORMAT_MANAGED" desc="Label in network property format dropdown for managed ONC properties">
     Managed ONC
   </message>
+  <message name="IDS_NETWORK_UI_FORMAT_STATE" desc="Label in network property format dropdown for ONC State properties">
+    ONC State
+  </message>
   <message name="IDS_NETWORK_UI_FORMAT_SHILL" desc="Label in network property format dropdown for Shill properties">
     Shill
   </message>
   <message name="IDS_NETWORK_UI_VISIBLE_NETWORKS" desc="Label for list of visible networks">
     Visible Networks:
   </message>
   <message name="IDS_NETWORK_UI_FAVORITE_NETWORKS" desc="Label for list of favorite networks">
     Favorite Networks:
   </message>
 
@@ skipping 181 matching lines @@
   <message name="IDS_FLAGS_DISABLE_RESOLVE_TIMEZONE_BY_GEOLOCATION_NAME" desc="Title for the flag to disable automatic timezone update on user location change.">
     Disable automatic timezone update by geolocation
   </message>
   <message name="IDS_FLAGS_DISABLE_RESOLVE_TIMEZONE_BY_GEOLOCATION_DESCRIPTION" desc="Description for the flag to disable user setting to automatically update timezone by user geolocation.">
     If set, automatic timezone update by the current geolocation is turned off.
   </message>
   <message name="IDS_OPTIONS_RESOLVE_TIMEZONE_BY_GEOLOCATION_DESCRIPTION" desc="Label for checkbox to allow automatic timezone update by user geolocation.">
     Set time zone automatically using your location
   </message>
 </grit-part>