Snap for 8273322 from 6dea06094f0afa4f69e20f55160bae1496c04ac8 to mainline-uwb-release

Change-Id: I2d6fdef983e5ca31f04239d9421e142eab655250
diff --git a/METADATA b/METADATA
index 5c12860..1eaf99d 100644
--- a/METADATA
+++ b/METADATA
@@ -1,3 +1,7 @@
+# *** THIS PACKAGE HAS SPECIAL LICENSING CONDITIONS.  PLEASE
+#     CONSULT THE OWNERS AND opensource-licensing@google.com BEFORE
+#     DEPENDING ON IT IN YOUR PROJECT. ***
 third_party {
+  license_note: "Khronos proprietary"
   license_type: BY_EXCEPTION_ONLY
 }