Show a notification when a braille display is connected.

ash/ash_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains the strings for ash.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/ash_strings.h" type="rc_header">
@@ skipping 190 matching lines @@
       </message>
 
       <message name="IDS_ASH_LEARN_MORE" desc="Text of Learn more links.">
         Learn more
       </message>
 
       <!-- Status tray items -->
       <message name="IDS_ASH_STATUS_TRAY_ACCESSIBLE_NAME" desc="The accessible name of the status tray.">
         Status tray
       </message>
+      <message name="IDS_ASH_STATUS_TRAY_BRAILLE_DISPLAY_CONNECTED_BUBBLE" desc="The message shown on a bubble when a braille display is connected">
+Braille display connected.
+      </message>
       <message name="IDS_ASH_STATUS_TRAY_SPOKEN_FEEDBACK_ENABLED_BUBBLE" desc="The message shown on a bubble when spoken feedback is enabled">
 ChromeVox (spoken feedback) is enabled.
 Press Ctrl+Alt+Z to disable.
       </message>
       <message name="IDS_ASH_STATUS_TRAY_SETTINGS" desc="The label used for the settings item in the status tray.">
         Settings
       </message>
       <message name="IDS_ASH_STATUS_TRAY_SIGN_OUT" desc="The label used for the button in the status tray to sign out of the system.">
         Sign out
       </message>
@@ skipping 410 matching lines @@
 
       <!-- ChromeOS-specific strings -->
       <if expr="chromeos">
         <part file="ash_chromeos_strings.grdp" />
       </if>
 
     </messages>
   </release>
 </grit>