Add METADATA to xz-embedded: PublicDomain=UNENCUMBERED am: dbb9237e24 am: ff3dce8e7f am: 17ddf52272 am: a08354784c

Change-Id: Ib2bbf192dd40eb7fcb1941d6b4885acd5c231343
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..313792c
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,3 @@
+third_party {
+  license_type: UNENCUMBERED
+}