Revert "Revert "cryptfs: Added support for f2fs fast encryption""

This reverts commit a70abc60091aed3c3eaf8bc8e1766e233c1c3a2f.

Change-Id: Ic41d1924638586cf9b2297f91ed5417f3b0303c6
diff --git a/Android.mk b/Android.mk
index 1203db4..1a1d28a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -21,6 +21,7 @@
 
 common_c_includes := \
 	system/extras/ext4_utils \
+	system/extras/f2fs_utils \
 	external/openssl/include \
 	external/stlport/stlport \
 	bionic \
@@ -40,6 +41,7 @@
 	libhardware_legacy \
 	liblogwrap \
 	libext4_utils \
+	libf2fs_sparseblock \
 	libcrypto \
 	libselinux \
 	libutils \