[MD settings] link to font settings from a11y subpage

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Chrome OS-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>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
@@ skipping 2718 matching lines @@
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_DISPLAY_HEADING" desc="In the settings tab, the heading for accessibility features related to the computer's display.">
     Display
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_DISPLAY_SETTINGS_TITLE" desc="In the settings tab, the title of a link to open display settings.">
     Open display device settings
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_DISPLAY_SETTINGS_DESCRIPTION" desc="In the settings tab, an explanation that the display settings have options to adjust the screen resolution.">
     Allows you to adjust your screen resolution
   </message>
-  <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_APPEARANCE_SETTINGS_TITLE" desc="In the settings tab, the title of a link to open appearance settings.">
-    Open appearance settings
+  <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_FONT_SETTINGS_TITLE" desc="In the settings tab, the title of a link to open font settings.">
+    Open font settings
   </message>
-  <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_APPEARANCE_SETTINGS_DESCRIPTION" desc="In the settings tab, an explanation that the appearance settings allows you to change the size of text on the screen.">
+  <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_FONT_SETTINGS_DESCRIPTION" desc="In the settings tab, an explanation that the font settings allows you to change the size of text on the screen.">
     Customize your text size
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_KEYBOARD_HEADING" desc="In the settings tab, the heading above settings related to the keyboard.">
     Keyboard
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_KEYBOARD_SETTINGS_TITLE" desc="In the settings tab, the title of a link to open keyboard settings.">
     Open keyboard device settings
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_KEYBOARD_SETTINGS_DESCRIPTION" desc="In the settings tab, an explanation that the keyboard settings let you adjust the rate at which keys automatically repeat when held down, automatic prediction of words, and more.">
     Allows you to adjust your keyboard repeat rate, word prediction, and more
@@ skipping 3865 matching lines @@
     Attempts left: $1
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PIN" desc="The Provider Identification Number abbreviation">
     PIN
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PUK" desc="The Personal Unlocking Key (as used in mobile phones) abbreviation">
     PUK
   </message>
 
 </grit-part>