Update the UI of setting button on IME menu

ash/ash_chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from ash_strings.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
 
   <!-- Device types -->
   <message name="IDS_ASH_CHROMEBASE" desc="The device name for a Chromebase (versus say Chromebox)">
     Chromebase
   </message>
   <message name="IDS_ASH_CHROMEBIT" desc="The device name for a Chromebit (versus say Chromebox)">
@@ skipping 224 matching lines @@
     <ph name="device_name">$1<ex>Speaker</ex></ph> (HDMI/DP)
   </message>
   <message name="IDS_ASH_STATUS_TRAY_AUDIO_MIC_JACK_DEVICE" desc="label used for mic jack device">
     Mic Jack
   </message>
 
   <message name="IDS_AURA_SET_DESKTOP_WALLPAPER" desc="The label used for change wallpaper in context menu">
     Set wallpaper...
   </message>
 
-  <message name="IDS_ASH_STATUS_TRAY_INPUT_SETTINGS" desc="The label used for the language and input settings for IME menu tray.">
-    Language and input settings
-  </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_SMS" desc="The label used in the status tray for SMS.">
     SMS
   </message>
   <message name="IDS_ASH_STATUS_TRAY_SMS_MESSAGES" desc="The label used in the default status tray view for SMS with the number of messages.">
     SMS messages: <ph name="MESSAGE_COUNT">$1<ex>3</ex></ph>
   </message>
   <message name="IDS_ASH_STATUS_TRAY_SMS_NUMBER" desc="Sender for SMS messagees in the system tray.">
@@ skipping 280 matching lines @@
   </message>
   <message name="IDS_DEPRECATED_SHOW_TASK_MANAGER_MSG"
            desc="Notification message to tell users about the deprecation of Shift+ESC shortcut to show the task manager.">
     The shortcut to open the task manager has changed. Please use <ph name="NEW_SHORTCUT">$1<ex>Search+Esc</ex></ph> instead of <ph name="OLD_SHORTCUT">$2<ex>Shift+Esc</ex></ph>.
   </message>
   <message name="IDS_DEPRECATED_NEXT_IME_MSG"
            desc="Notification message to tell users about the deprecation of Shift+Alt shortcut to switch to the next input method.">
     The shortcut to switch to the next input method has changed. Please use <ph name="NEW_SHORTCUT">$1<ex>Ctrl+Shift+Space</ex></ph> instead of <ph name="OLD_SHORTCUT">$2<ex>Shift+Alt</ex></ph>.
   </message>
 </grit-part>