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..89d6875be7c0e65a829bb2679d0fbd13485af3d9 100644
--- a/chrome/common/extensions/api/autotest_private.idl
+++ b/chrome/common/extensions/api/autotest_private.idl
@@ -116,5 +116,14 @@ 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.
+    static void setPlayStoreEnabled(boolean enabled);
   };
 };