Telephony: Check user permission before making a call

Check if package is allowed to make phone calls.

If not allowed then reject the request.

Do not allow MO call to proceed if a user is restricted to do
so and it is a non-emergency call.

Change-Id: I5ded27c33bd92afc310bd65e0d97b8e1d020aac8

Conflicts:
src/com/android/telecomm/CallActivity.java
CRs-Fixed: 717759
Change-Id: I5ded27c33bd92afc310bd65e0d97b8e1d020aac8