Ntp: show footer with learn more link.

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 a5fb19e3dca3f016238b5121f158c2dee33e6db9..590e527fe084c39b621aad15b341212fe15e7cb6 100644
--- a/chrome/android/java/strings/android_chrome_strings.grd
+++ b/chrome/android/java/strings/android_chrome_strings.grd
@@ -1978,6 +1978,9 @@ To obtain new licenses, connect to the internet and play your downloaded content
       <message name="IDS_ACCESSIBILITY_NTP_OFFLINE_BADGE" desc="Content description for the badge that indicates offline availability of a most visited item on the new tab page.">
         Available offline
       </message>
+      <message name="IDS_NTP_LEARN_MORE_ABOUT_SUGGESTED_CONTENT" desc="Text in the footer of the New Tab Page. Part of the text is a link to a help center page where the user can learn more about suggested content.">
+        <ph name="BEGIN_LINK">&lt;link&gt;</ph>Learn more<ph name="END_LINK">&lt;/link&gt;</ph> about suggested content
+      </message>
 
       <!-- Toolbar button strings -->
       <message name="IDS_OPEN_TABS" desc="Text for button to enter the tab switcher and show tabs that are open on this device">