Fix "telephony: DataConnection: support old RILs"

Ia72bb1229132a00b5c343c0467823b895f0338d0 was broken in the QCRIL
merge (function call missing)

Change-Id: Ib038783a6d96633e7d857402375053d0d8d875e9
Korean Mms fix (1/2)

Change-Id: I71bdfaaac9cfdad5d421283a842b560584d68751