Update decrypt for 4.4

Change-Id: I8d5d7b6a49890e4707d70de8b429563de0d2ad99
diff --git a/crypto/scrypt/android-config.mk b/crypto/scrypt/android-config.mk
new file mode 100644
index 0000000..326e113
--- /dev/null
+++ b/crypto/scrypt/android-config.mk
@@ -0,0 +1,16 @@
+#
+# These flags represent the build-time configuration of scrypt for Android
+#
+# The value of $(scrypt_cflags) was pruned from the Makefile generated
+# by running ./configure from import_scrypt.sh.
+#
+# This script performs minor but required patching for the Android build.
+#
+
+LOCAL_CFLAGS += $(scrypt_cflags)
+
+# Add in flags to let config.h be read properly
+LOCAL_CFLAGS += "-DHAVE_CONFIG_H"
+
+# Add clang here when it works on host
+# LOCAL_CLANG := true