Telecom: Reset the duration after the CDMA call is accepted

In android original design, the duration of CDMA MO call is started from
the dial command sent, so it is not the real duration of the active time.

In this patch, CallsManager receive a new message to
reset the connection time for this call.

Change-Id: I37621d5c56ef95a8c9886b799528602f8d36cdb8