🔍 Introduce default search engine dialog

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- android_chrome_strings.grd contains strings for Chrome for Android.
 
 FAQ:
   - How do I add, change, or remove a string?
       Just update this file.
   - Translations will happen automatically??
       Yes, indeed. Just add your string before the branch point and
       make the description good.
@@ skipping 278 matching lines @@
       </message>
       <message name="IDS_SEARCH_ENGINE_LOCATION_ALLOWED" desc="The text of a link displayed when location permission for a particular search engine is allowed.">
         Location is allowed
       </message>
       <message name="IDS_SEARCH_ENGINE_LOCATION_BLOCKED" desc="The text of a link displayed when location permission for a particular search engine is blocked.">
         Location is blocked
       </message>
       <message name="IDS_SEARCH_ENGINE_RECENTLY_VISITED" desc="Header for the list of recently visited search engines.">
         Recently visited
       </message>
+      <message name="IDS_SEARCH_ENGINE_DIALOG_TITLE" desc="Title shown in the dialog to change search engines">
+        Choose your search engine
+      </message>
+      <message name="IDS_SEARCH_ENGINE_DIALOG_FOOTER" desc="Title shown in the dialog to change search engines">
+        You can change this later in Settings
+      </message>
 
       <!-- Autofill and Payments preferences -->
       <message name="IDS_PREFS_AUTOFILL_AND_PAYMENTS" desc="Title of Autofill and payments settings prefrences. [CHAR-LIMIT=32]">
         Autofill and payments
       </message>
       <message name="IDS_AUTOFILL_SWITCH" desc="Title for 'Autofill forms' switch preference, which controls whether personal data can be automatically filled into web page forms. [CHAR-LIMIT=32]">
         Autofill forms
       </message>
       <message name="IDS_AUTOFILL_PROFILES_TITLE" desc="Title of the preference to list profiles (which contain the user's name, address, etc) that can be automatically filled into web page forms. [CHAR-LIMIT=32]">
         Addresses
@@ skipping 2654 matching lines @@
         Remove and recreate this shortcut
       </message>
 
       <!-- Chrome Home -->
       <message name="IDS_BOTTOM_SHEET_HELP_BUBBLE_MESSAGE" desc="Text displayed in a help bubble above the bottom navigation sheet prompting users to pull the sheet up to see their bookmarks and other content.">
         Pull up to see bookmarks and more
       </message>
     </messages>
   </release>
 </grit>