Fix issues with UserManager.DISALLOW_OUTGOING_CALL

* Make sure the correct user is checked when using the
TelecomManager.placeCall API.

* Since a toast cannot be shown without an activity context,
show the error using the ErrorDialogActivity instead.

Bug: 20665346
Change-Id: I353cb009e8f90572a52b560259582180898370d2
4 files changed