Add METADATA to modp_b64: BSD+Apache2=NOTICE am: d54f1b8e9f am: 2569ec99b0 am: 18a66cdfd4 am: df99ee43a1

Change-Id: Ica0557c26a8a2eafd4a14cabbd6869fbdc5d59e2
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..d97975c
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,3 @@
+third_party {
+  license_type: NOTICE
+}