[Offline pages] Setting a proper NTP incognito message for offline pages

chrome/android/java/strings/android_chrome_strings.grd

Index: chrome/android/java/strings/android_chrome_strings.grd
diff --git a/chrome/android/java/strings/android_chrome_strings.grd b/chrome/android/java/strings/android_chrome_strings.grd
index 549d20809038fac187ec516bf9059f0ac44941f0..84b49fe91aeff615c0d250025ae5ccccebedf14f 100644
--- a/chrome/android/java/strings/android_chrome_strings.grd
+++ b/chrome/android/java/strings/android_chrome_strings.grd
@@ -2169,6 +2169,11 @@ Just open Chrome on your computer, go to the menu, and select “Sign in to Chro
 
 However, you aren’t invisible. Going incognito doesn’t hide your browsing from your employer, your internet service provider, or the websites you visit.
       </message>
+      <message name="IDS_OFFLINE_PAGES_NEW_TAB_INCOGNITO_MESSAGE" desc="Message shown when a user opens an incognito tab explaining incognito mode">
+        Pages you view in incognito tabs won’t stick around in your browser’s history, cookie store, or search history after you’ve closed all of your incognito tabs. Any downloaded files or saved pages will be kept.
+
+However, you aren’t invisible. Going incognito doesn’t hide your browsing from your employer, your internet service provider, or the websites you visit.
+      </message>
 
       <!-- Contextual Search -->
       <message name="IDS_CONTEXTUAL_SEARCH_NETWORK_UNAVAILABLE" desc="Tells the user the network is not accessible.">