lt01-common: Add f2fs filesystem support

Change-Id: I1aa66eae0c1624d0111c5bf027cc506e61355259
lt01-common: Use kernel exFAT filesystem

Faster than fuse exFAT, patched exFAT vold needed

Change-Id: I7e9da877e5218743385c890bc870f32dd4aea7f2