Build f2fs for all targets

Change-Id: Icd9f425d0d1acd7b47d878a3d63411ab65d72df1
Last kitkat release before L [1/2]

Change-Id: I66160d8400679ff529c7fca2e51f5ed019331e16
Merge branch 'du44' of https://github.com/DirtyUnicorns-KitKat/vendor_du into HEAD