arc: Provide API to control Play Store state from autotests

chrome/common/extensions/api/autotest_private.idl

Index: chrome/common/extensions/api/autotest_private.idl
diff --git a/chrome/common/extensions/api/autotest_private.idl b/chrome/common/extensions/api/autotest_private.idl
index be6901c55b7aaa7a2b81b9e86dff36032075e3b4..5a488e5a4d8f39e72e8c861ee67411ea8eb58caa 100644
--- a/chrome/common/extensions/api/autotest_private.idl
+++ b/chrome/common/extensions/api/autotest_private.idl
@@ -116,5 +116,15 @@ namespace autotestPrivate {
 
     // Get visible notifications on the system.
     static void getVisibleNotifications(NotificationArrayCallback callback);
+
+    // Return true if Play Store is currently enabled on device.
+    static boolean isPlayStoreEnabled();
+
+    // Return true if Play Store is managed by policy.
+    static boolean isPlayStoreManaged();
+
+    // Enable or disable Play Store on device. Return true if Play Store was
+    // enabled.
+    static boolean setPlayStoreEnabled(boolean enabled);
   };
 };