Add nona@ to hwui owners for text related files

Bug: N/A
Test: N/A
Change-Id: I60b99c1b50073137eae7547b153a4ab254cde427
diff --git a/libs/hwui/OWNERS b/libs/hwui/OWNERS
index c232d13..bb93e66 100644
--- a/libs/hwui/OWNERS
+++ b/libs/hwui/OWNERS
@@ -5,3 +5,6 @@
 reed@google.com
 scroggo@google.com
 stani@google.com
+
+# For text, e.g. Typeface, Font, Minikin, etc.
+nona@google.com