Update the incognito NTP text for android

chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc

Index: chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc
diff --git a/chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc b/chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc
index bdce9e51b342c1c768004d35a9bae9e3807d0399..23f9a99a9e6fb2c108cd40644afd3c5d3ef13373 100644
--- a/chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc
+++ b/chrome/browser/ui/webui/ntp/ntp_resource_cache_android.cc
@@ -113,7 +113,8 @@ void NTPResourceCache::CreateNewTabHTML() {
   string16 learnMoreLink = ASCIIToUTF16(
       google_util::AppendGoogleLocaleParam(GURL(new_tab_link)).spec());
   localized_strings.SetString("content",
-      l10n_util::GetStringFUTF16(IDS_NEW_TAB_OTR_MESSAGE, learnMoreLink));
+      l10n_util::GetStringFUTF16(
+          IDS_NEW_TAB_OTR_MESSAGE_MOBILE, learnMoreLink));
 
   // Load the new tab page appropriate for this build.
   std::string full_html;