Add METADATA to poplar: Apache2+BSD=NOTICE am: 4df270a982

Change-Id: I13f4c057c610b22f59691566fcac11c54698df94
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
+}