jf-common: Tweak mms overlay

According to forum reports, this fixes mms support for AT&T and
preserves the proper aspect ratio of portrait images

Change-Id: Ida63d311c2fb335df099476d2269ab23b08c85d4
Merge branch 'cm-10.1' of https://github.com/CyanogenMod/android_device_samsung_jf-common into HEAD