Add license type: Apache2+MIT are NOTICE licenses am: ce8e133bd7 am: 3c3dcf66d3 am: d604d841ee am: ec065d8fcd

Change-Id: I7a5f5583dc6baf247ff69e991451b7c9cc077bc7
diff --git a/METADATA b/METADATA
index 966ee5c..2b372ac 100644
--- a/METADATA
+++ b/METADATA
@@ -12,5 +12,6 @@
     value: "https://github.com/benjaminp/six"
   }
   version: "1.11.0"
+  license_type: NOTICE
   last_upgrade_date { year: 2018 month: 1 day: 4 }
 }