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
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_packages_apps_Mms into cm-10.1