Frameworks : Make sure a reply is sent when not provisioning default apn

Not doing so holds up the entire async executor service and breaks things like
loading icons in the share dialog. To reproduce :

Upon boot, take screenshot and click share in the notification.

Change-Id: I1b1443bfa42d62b99881e770c08f79ebe3673139
Merge "Frameworks : Make sure a reply is sent when not provisioning default apn" into cm-11.0