MSimDialerActivity: actually dial when an option is selected

Right now, all users can do is click cancel

Change-Id: If87b3d6ad47ef81b9e246a7884dcf58e02d9ddf7
Merge "MSimDialerActivity: actually dial when an option is selected" into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into HEAD