cros: Allow user to configure note taking app in md-settings.

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- About Page -->
   <message name="IDS_SETTINGS_ABOUT_PAGE_BROWSER_VERSION" desc="The text label describing the version of the browser, example: Version 57.0.2937.0 (Developer Build) unknown (64-bit)">
     Version <ph name="PRODUCT_VERSION">$1<ex>15.0.865.0</ex></ph> (<ph name="PRODUCT_CHANNEL">$2<ex>Developer Build</ex></ph>) <ph name="PRODUCT_MODIFIER">$3</ph> <ph name="PRODUCT_VERSION_BITS">$4</ph>
   </message>
   <if expr="chromeos">
     <message name="IDS_SETTINGS_ABOUT_PAGE_DETAILED_BUILD_INFO" desc="Label describing the section that shows detailed information about the current Chrome build.">
       Detailed build information
@@ skipping 2596 matching lines @@
     <!-- Stylus -->
     <message name="IDS_SETTINGS_STYLUS_TITLE" desc="Title of the stylus settings page.">
       Stylus
     </message>
     <message name="IDS_SETTINGS_STYLUS_AUTO_OPEN_STYLUS_TOOLS" desc="Label that tells the user that the stylus tools will be automatically opened and closed when they insert or eject the stylus.">
       Open stylus tools when the stylus is removed
     </message>
     <message name="IDS_SETTINGS_STYLUS_ENABLE_STYLUS_TOOLS" desc="Toggle that lets the user enable or disable the stylus tools.">
       Show stylus tools in the shelf
     </message>
-    <message name="IDS_SETTINGS_STYLUS_FIND_MORE_APPS" desc="URL label that opens up the Play Store to a curated list of stylus applications.">
-      Find more stylus applications
+    <message name="IDS_SETTINGS_STYLUS_FIND_MORE_APPS_PRIMARY" desc="Primary URL label that opens up the Play Store to a curated list of stylus applications.">
+      Find more stylus apps
+    </message>
+    <message name="IDS_SETTINGS_STYLUS_FIND_MORE_APPS_SECONDARY" desc="Secondary (below the primary) URL label that opens up the Play Store to a curated list of stylus applications.">
+      Open Google Play
+    </message>
+    <message name="IDS_SETTINGS_STYLUS_NOTE_TAKING_APP_LABEL" desc="Label describing a dropdown that lets the user pick their default note-taking applications. The dropdown contains a list of all available choices. The user can install additional apps, so the contents of the dropdown is dynamic.">
+      Note-taking app
+    </message>
+    <message name="IDS_SETTINGS_STYLUS_NOTE_TAKING_APP_NONE_AVAILABLE" desc="Secondary label used when there are no note-taking applications available.">
+      None available
+    </message>
+    <message name="IDS_SETTINGS_STYLUS_NOTE_TAKING_APP_WAITING_FOR_ANDROID" desc="Secondary label used when the list of note-taking apps is not yet available, because the internal android container has not yet finished starting.">
+      Loading apps...
     </message>
 
     <!-- Display -->
     <message name="IDS_SETTINGS_DISPLAY_TITLE" desc="In Device Settings, the title for display settings.">
       Displays
     </message>
     <message name="IDS_SETTINGS_DISPLAY_ARRANGEMENT_TITLE" desc="In Device Settings > Displays, the label for the display arrangement section.">
       Arrangement
     </message>
     <message name="IDS_SETTINGS_DISPLAY_ARRANGEMENT_TEXT" desc="In Device Settings > Displays, text describing to use a mouse to drag the displays and change the arrangement.">
@@ skipping 146 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_BUTTON" desc="Text for the button that changes a user's network proxy settings.">
       Change proxy settings
     </message>
   </if>
 </grit-part>