Add METADATA to interfaces: Apache2=NOTICE am: 695b49db84 am: b1e4020a6a am: 9ad6885817 am: 77d05a15c9

Change-Id: Ib7c61007a59f9450df0ab855d6558765c420ffc0
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
+}