MNCC_Types: Add templates for most MNCC messages

This adds templates for sending and receiving MNCC messages from
the external MNCC handler point of view, i.e. as required for MSC
testing.  The inverse templates will be needed if we want to implement
emulation of the MSC side of MNCC.

Change-Id: I77665aaf589bdaa9dc0aa6a5daa431fafdc2b383
1 file changed