Add METADATA to dng_sdk: Apache2=NOTICE am: 451a6aed89 am: 3ad1308e09 am: d8d953d544 am: 4861c3cf30 am: b9fdfc4cf8

Change-Id: I0702a8bb671928a98ebd78b9aacf2f6b606cdd76
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
+}