arc: Handle ARC events in MD Settings

chrome/browser/resources/settings/android_apps_page/android_apps_browser_proxy.js

Index: chrome/browser/resources/settings/android_apps_page/android_apps_browser_proxy.js
diff --git a/chrome/browser/resources/settings/android_apps_page/android_apps_browser_proxy.js b/chrome/browser/resources/settings/android_apps_page/android_apps_browser_proxy.js
index 1a2e0be7b987c842dda14a0c04cbd6e71264d511..0c5c3d56a44faeca2d80cbf18d212e212e756c10 100644
--- a/chrome/browser/resources/settings/android_apps_page/android_apps_browser_proxy.js
+++ b/chrome/browser/resources/settings/android_apps_page/android_apps_browser_proxy.js
@@ -8,7 +8,13 @@
  */
 
 /**
- * @typedef {{appReady: boolean}}
+ * Type definition of AndroidAppsInfo entry. |playStoreEnabled| indicates that
+ * Play Store is enabled. |settingsAppAvailable| indicates that Android settings
+ * app is registered in the system.
+ * @typedef {{
+ *   playStoreEnabled: boolean,
+ *   settingsAppAvailable: boolean,
+ * }}
  * @see chrome/browser/ui/webui/settings/chromeos/android_apps_handler.cc
  */
 var AndroidAppsInfo;