Add METADATA to swiftshader: LLVM+Apache2+BSD+MIT=NOTICE am: fdd23fe77f

Change-Id: Ie678e45e8394719272d5521dd666b15ef47f696d
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
+}