Add METADATA to libnfnetlink: GPL+LGPL=RESTRICTED am: 615607b95e am: 0a11f848c0 am: e546544acf am: aed2a6714b am: 1b0908c066

Change-Id: I451b882f5cb832d36bcfd9d7ff5be4a710e4c683
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..6d8601b
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,3 @@
+third_party {
+  license_type: RESTRICTED
+}