Maintain Android strings in grd files.

content/public/android/java/strings/android_content_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit current_release="1" latest_public_release="0">
   <release allow_pseudo="false" seq="1">
     <messages fallback_to_english="true">
       <message desc="Contextual action bar item for sharing a block of text via email, or other method. [CHAR-LIMIT=24]" name="IDS_ACTIONBAR_SHARE">
         Share
       </message>
       <message desc="Contextual action bar item for using the selected text in a internet search. [CHAR-LIMIT=24]" name="IDS_ACTIONBAR_WEB_SEARCH">
         Web search
       </message>
       <message desc="Content description for the content view that holds the web contents [CHAR-LIMIT=32]" name="IDS_ACCESSIBILITY_CONTENT_VIEW">
         Web View
       </message>
       <message desc="Label for 'set' button in date picker dialog, used to replace the contents of a field with the chosen date [CHAR-LIMIT=12]" name="IDS_DATE_PICKER_DIALOG_SET">
         Set
       </message>
       <message desc="Label for 'clear' button in date picker dialog, used to replace the contents of a field with the empty string [CHAR-LIMIT=12]" name="IDS_DATE_PICKER_DIALOG_CLEAR">
         Clear
       </message>
+      <message desc="Title for the date picker dialog, which can be used to choose a date. [CHAR-LIMIT=32]" name="IDS_DATE_PICKER_DIALOG_TITLE">
+        Set date
+      </message>
       <message desc="Title for the date/time picker dialog, which can be used to choose a date and time. [CHAR-LIMIT=32]" name="IDS_DATE_TIME_PICKER_DIALOG_TITLE">
         Set date and time
       </message>
       <message desc="Title for the month picker dialog, which can be used to choose a month. [CHAR-LIMIT=32]" name="IDS_MONTH_PICKER_DIALOG_TITLE">
         Set month
       </message>
       <message desc="Content description for the date time picker date component. [CHAR-LIMIT=32]" name="IDS_ACCESSIBILITY_DATETIME_PICKER_DATE">
         Date
       </message>
       <message desc="Content description for the date time picker time component. [CHAR-LIMIT=32]" name="IDS_ACCESSIBILITY_DATETIME_PICKER_TIME">
@@ skipping 66 matching lines @@
     <file lang="zh-TW" path="translations/android_content_strings_zh-TW.xtb" />
   </translations>
   <outputs>
     <output filename="values-ar/strings.xml" lang="ar" type="android" />
     <output filename="values-bg/strings.xml" lang="bg" type="android" />
     <output filename="values-ca/strings.xml" lang="ca" type="android" />
     <output filename="values-cs/strings.xml" lang="cs" type="android" />
     <output filename="values-da/strings.xml" lang="da" type="android" />
     <output filename="values-de/strings.xml" lang="de" type="android" />
     <output filename="values-el/strings.xml" lang="el" type="android" />
+    <output filename="values/strings.xml" lang="en" type="android" />
     <output filename="values-en-rGB/strings.xml" lang="en-GB" type="android" />
     <output filename="values-es/strings.xml" lang="es" type="android" />
     <output filename="values-es-rUS/strings.xml" lang="es-419" type="android" />
     <output filename="values-fa/strings.xml" lang="fa" type="android" />
     <output filename="values-fi/strings.xml" lang="fi" type="android" />
     <output filename="values-tl/strings.xml" lang="fil" type="android" />
     <output filename="values-fr/strings.xml" lang="fr" type="android" />
     <output filename="values-hi/strings.xml" lang="hi" type="android" />
     <output filename="values-hr/strings.xml" lang="hr" type="android" />
     <output filename="values-hu/strings.xml" lang="hu" type="android" />
@@ skipping 16 matching lines @@
     <output filename="values-sr/strings.xml" lang="sr" type="android" />
     <output filename="values-sv/strings.xml" lang="sv" type="android" />
     <output filename="values-th/strings.xml" lang="th" type="android" />
     <output filename="values-tr/strings.xml" lang="tr" type="android" />
     <output filename="values-uk/strings.xml" lang="uk" type="android" />
     <output filename="values-vi/strings.xml" lang="vi" type="android" />
     <output filename="values-zh-rCN/strings.xml" lang="zh-CN" type="android" />
     <output filename="values-zh-rTW/strings.xml" lang="zh-TW" type="android" />
   </outputs>
 </grit>