Add license_note am: 7464785773 am: 30779c19f8

Original change: https://android-review.googlesource.com/c/platform/external/fonttools/+/2012157

Change-Id: I89367ea3edcc87d8bccbaf42821b00ef8d4065db
diff --git a/METADATA b/METADATA
index 6ef136d..36e572d 100644
--- a/METADATA
+++ b/METADATA
@@ -13,6 +13,7 @@
     value: "https://github.com/fonttools/fonttools/archive/4.22.0.zip"
   }
   version: "4.22.0"
+  license_note: "contains OFL fonts"
   license_type: BY_EXCEPTION_ONLY
   last_upgrade_date {
     year: 2021