[Android] Update Protected Media Identifier Settings UI to reflect exceptions.

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit current_release="1" latest_public_release="0">
   <outputs>
     <output filename="values-am/android_chrome_strings.xml" lang="am" type="android" />
     <output filename="values-ar/android_chrome_strings.xml" lang="ar" type="android" />
     <output filename="values-bg/android_chrome_strings.xml" lang="bg" type="android" />
     <output filename="values-ca/android_chrome_strings.xml" lang="ca" type="android" />
     <output filename="values-cs/android_chrome_strings.xml" lang="cs" type="android" />
     <output filename="values-da/android_chrome_strings.xml" lang="da" type="android" />
     <output filename="values-de/android_chrome_strings.xml" lang="de" type="android" />
@@ skipping 577 matching lines @@
         Reset device credentials
       </message>
       <message name="IDS_PROTECTED_CONTENT_RESET_TITLE" desc="Title for device credential reset menu preference">
         Confirm device credential deletion
       </message>
       <message name="IDS_PROTECTED_CONTENT_RESET_MESSAGE" desc="Title for device credential reset menu preference">
         Content (movies, music, etc.) downloaded in other applications may no longer be playable until those application re-acquire licenses based on a new device credential.
 
 To obtain new licenses, connect to the internet and play your downloaded content.
       </message>
+      <!-- Keep in sync with chrome/common/url_constants.cc -->
       <message name="IDS_PROTECTED_CONTENT_LEARN_MORE_URL" desc="URL for learning more about device credential reset menu preference" translateable="false">
         https://support.google.com/chrome/?p=mobile_protected_content
       </message>
 
       <!-- Google translate preferences -->
       <message name="IDS_GOOGLE_TRANSLATE" desc='Title for the Google Translate settings screen. [CHAR-LIMIT=32]'>
         Google Translate
       </message>
       <message name="IDS_TRANSLATE_PREFS_DESCRIPTION" desc="Translate preference description">
         When this feature is turned on, Chrome will offer to translate pages written in other languages using Google Translate.
@@ skipping 931 matching lines @@
       <message name="IDS_ACCESSIBILITY_PAUSE" desc="Content description for the pause button that pauses playing the media.">
         Pause
       </message>
       <message name="IDS_ACCESSIBILITY_STOP" desc="Content description for the stop button that stops playing the media.">
         Stop
       </message>
 
     </messages>
   </release>
 </grit>