Add fonts/OWNERS for font-related files.

Test: n/a
Change-Id: I98bd4b1c6274e1414c107fd75f08bcd0367ede00
diff --git a/graphics/java/android/graphics/OWNERS b/graphics/java/android/graphics/OWNERS
index c3fb6f8..a8a3631 100644
--- a/graphics/java/android/graphics/OWNERS
+++ b/graphics/java/android/graphics/OWNERS
@@ -6,3 +6,6 @@
 sumir@google.com
 
 per-file BLASTBufferQueue.java = file:/services/core/java/com/android/server/wm/OWNERS
+per-file FontFamily.java = file:fonts/OWNERS
+per-file FontListParser.java = file:fonts/OWNERS
+per-file Typeface.java = file:fonts/OWNERS