Log various call initiation entry points

Speed dial (PhoneNumberPickerInteraction, SpeedDialFragment)
Regular search (RegularSearchFragment)
Remote Directory (RegularSearchFragment)
Call Log (CallLogAdapter)
Smart Dial Search (SmartDialSearchFragment)
Dialpad (DialpadFragment)

Bug: 23164804
Change-Id: I7cc881ac655fca6d4f365b5de36a4087c4f17700