User switcher - Fix adding user as non-system user

The shade would stay expanded when adding a user as a non-system
user. Make sure the broadcast is sent as the current user in order to
be processed correctly.

Fixes: 219638055
Test: manual, as guest user attempt to add user multiple times
Change-Id: Ie293514fa4f8792616f5a0d7892c9010a8496ed0

packages/SystemUI/src/com/android/systemui/statusbar/policy/UserSwitcherController.java

@@ -1215,7 +1215,8 @@ public class UserSwitcherController implements Dumpable {
                 }
                 // Use broadcast instead of ShadeController, as this dialog may have started in
                 // another process and normal dagger bindings are not available
-                mBroadcastSender.closeSystemDialogs();
+                mBroadcastSender.sendBroadcastAsUser(
+                        new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS), UserHandle.CURRENT);
                 getContext().startActivityAsUser(
                         CreateUserActivity.createIntentForStart(getContext()),
                         mUserTracker.getUserHandle());