Move comment to license_note am: 0a03fea06c am: 5d28dbedad am: ecc593e89f

Original change: https://android-review.googlesource.com/c/platform/external/libcups/+/2008053

Change-Id: I51c7421b98c1fa487ee7501fc4a4481d1aaaa13b
diff --git a/METADATA b/METADATA
index 24b198f..a4c4da6 100644
--- a/METADATA
+++ b/METADATA
@@ -13,7 +13,7 @@
     value: "https://github.com/apple/cups/releases/download/v2.3.3/cups-2.3.3-source.tar.gz"
   }
   version: "v2.3.3"
-  # would be RESTRICTED save for Apple license in backend/usb-darwin.c
+  license_note: "would be RESTRICTED save for Apple license in backend/usb-darwin.c"
   license_type: BY_EXCEPTION_ONLY
   last_upgrade_date {
     year: 2020