Revert "Set SELinux to permissive"

Lets default  SELinux to enforced
This reverts commit 3e5b1230a82b9131aed9b748da56aab085f0c65a.

Change-Id: I7da332d97964b748b39f81edfdb520a9c690cc7e
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Merge branch 'kk4.4' of https://github.com/SlimRoms/kernel_samsung_smdk4412 into kk4.4