Implement Android UI of web notification inline replies

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 1481 matching lines @@
         If you’re seeing this frequently, try these <ph name="BEGIN_LINK">&lt;link&gt;</ph>suggestions<ph name="END_LINK">&lt;/link&gt;</ph>.
       </message>
 
       <!-- Web Notifications API -->
       <message name="IDS_NOTIFICATION_SITE_SETTINGS_BUTTON" desc="Text of a button shown on notifications, that opens the Site Settings of the website that showed the notification. (If it isn't possible to fit within the char limit, the string will be ellipsized if 3 buttons are shown side by side, so try to ensure that the user can guess the meaning from the first 8 characters). [CHAR-LIMIT=9]">
         Settings
       </message>
       <message name="IDS_NOTIFICATION_WORK_PROFILE_BADGE_CONTENT_DESCRIPTION" desc="Content description of the work profile badge in the notification.">
         Work profile
       </message>
+      <message name="IDS_NOTIFICATION_INLINE_REPLY_DEFAULT_PLACEHOLDER" desc="The placeholder text shown in a notification inline reply if the developer has not specified one.">
+        Write a reply…

[Michael van Ouwerkerk, 2016/04/07 14:19:20]

Let's include vetting this string in the UI review. One more item for that todo
list.

+      </message>
 
       <!-- Fullscreen -->
       <message name="IDS_IMMERSIVE_FULLSCREEN_API_NOTIFICATION" desc="Notification message when a site has entered immersive fullscreen and the directions of how to exit.">
         Drag from top and touch the back button to exit full screen.
       </message>
 
       <message name="IDS_FULLSCREEN_API_NOTIFICATION" desc="Notification message when a site has entered non-immsersive fullscreen and the directions of how to exit.">
         Touch the back button to exit full screen.
       </message>
 
@@ skipping 914 matching lines @@
       </message>
       <message name="IDS_USB_CHOOSER_DIALOG_CONNECT_BUTTON_TEXT" desc="The text that is shown on the connect button in the USB chooser dialog.">
         Connect
       </message>
       <message name="IDS_USB_CHOOSER_DIALOG_FOOTNOTE_TEXT" desc="This text is shown at the bottom of the USB chooser dialog with a link to part of its text.">
         Not seeing your device? <ph name="BEGIN_LINK">&lt;link&gt;</ph>Get help<ph name="END_LINK">&lt;/link&gt;</ph>
       </message>
     </messages>
   </release>
 </grit>