fscrypt: integrate v1 processing into TWRP

Change-Id: I3bf9c14b818f9c3e0570c44c82bf0769fcec907f
diff --git a/libtar/Android.mk b/libtar/Android.mk
index 9209da9..6ff8fc9 100755
--- a/libtar/Android.mk
+++ b/libtar/Android.mk
@@ -16,6 +16,11 @@
 ifeq ($(TW_INCLUDE_CRYPTO_FBE), true)
     LOCAL_SHARED_LIBRARIES += libtwrpfscrypt
     LOCAL_CFLAGS += -DUSE_FSCRYPT
+    ifeq ($(TW_USE_FSCRYPT_POLICY), 1)
+        LOCAL_CFLAGS += -DUSE_FSCRYPT_POLICY_V1
+    else
+        LOCAL_CFLAGS += -DUSE_FSCRYPT_POLICY_V2
+    endif
     LOCAL_C_INCLUDES += $(LOCAL_PATH)/../crypto/fscrypt
 endif