Move comment to license_note

Comments not preserved during refresh.

Test: m nothing
Change-Id: Ifc9ae45d17316f7fc826f35369484e3668e69127
diff --git a/METADATA b/METADATA
index a1ce3c6..68bf6f8 100644
--- a/METADATA
+++ b/METADATA
@@ -2,8 +2,8 @@
 #     CONSULT THE OWNERS AND opensource-licensing@google.com BEFORE
 #     DEPENDING ON IT IN YOUR PROJECT. ***
 third_party {
-  # would be NOTICE save for OFL in:
-  #   fonts/README
-  #   fonts/OFL.txt
+  license_note: "would be NOTICE save for OFL in:\n"
+  "   fonts/README\n"
+  "   fonts/OFL.txt\n"
   license_type: BY_EXCEPTION_ONLY
 }