Fix issue disable data of other SUB

if we enable data for non DDS SUB. Current implementation
 will ask for user confirmation to change DDS and disable data
of current DDS SUB. It will block our DATA + MMS
 feature and we can't send MMS on non DDS SUB.

Change-Id: I13f5ef1075e42b1dba8c10e58e7f156fbe0bc2f3