Bug 888533 - Part 3: Add link to MDN in remote debugging settings. r=lucasr

mobile/android/base/locales/en-US/android_strings.dtd

@@ -73,6 +73,7 @@
 <!ENTITY pref_category_installed_search_engines "Installed search engines">
 <!ENTITY pref_category_devtools "Developer tools">
 <!ENTITY pref_developer_remotedebugging "Remote debugging">
+<!ENTITY pref_developer_remotedebugging_docs "Learn more">
 
 <!-- collected old strings - remove after determining final strings
      as part of Bug 877791 -->

mobile/android/base/resources/xml/preferences_devtools.xml

@@ -11,4 +11,7 @@
        <CheckBoxPreference android:key="devtools.debugger.remote-enabled"
                            android:title="@string/pref_developer_remotedebugging" />
 
+       <org.mozilla.gecko.AlignRightLinkPreference android:title="@string/pref_developer_remotedebugging_docs"
+                                                   url="https://developer.mozilla.org/docs/Tools/Debugger#Remote_debugging?" />
+
 </PreferenceScreen>

mobile/android/base/strings.xml.in

@@ -86,6 +86,7 @@
   <string name="pref_category_installed_search_engines">&pref_category_installed_search_engines;</string>
   <string name="pref_category_devtools">&pref_category_devtools;</string>
   <string name="pref_developer_remotedebugging">&pref_developer_remotedebugging;</string>
+  <string name="pref_developer_remotedebugging_docs">&pref_developer_remotedebugging_docs;</string>
 
   <string name="pref_header_customize">&pref_header_customize;</string>
   <string name="pref_header_display">&pref_header_display;</string>