Merge "Map call pulled disconnect cause to its equivalent in telecom." into nyc-mr1-dev
am: 4069ada2a8

* commit '4069ada2a8edcc9e6e095142268beb1ea147be9b':
  Map call pulled disconnect cause to its equivalent in telecom.

Change-Id: I418e42ca2ff6a285a418181c09399fc1b58cc005