Mms: MultiPick BtnOK Enable Check

Change-Id: I5407323751a879a7dbbc7b07ae5ffb75ab3df86f
Signed-off-by: martincz <martincz@mokeetek.com>
Mms auto-retrieval (3/3): mms app

Change-Id: I32b6d46aa43d3cb96125d8a8264f3fc9e6d3f18c

It's only porting this http://review.cyanogenmod.org/#/c/26167/
Part 3 of 3