Implement CMAS service category program results.

Correctly handle CDMA Service Category Program Data requests,
and send the SCPT response to the message center. Parcel SCPD
operations as an ArrayList instead of an array (current version
will throw ClassCastException when the array is cast).

Bug: 6853691
Change-Id: I949ea68891c78306059248832e59a593ab606e11