Add chiahungduan@ to OWNERS

Test: n/a

Change-Id: Idb8e10fa0bd0352eed0419d6f380db4f66bc606f
diff --git a/OWNERS b/OWNERS
index 670f88d..3818b1d 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,6 +1,7 @@
 enh@google.com
 
 cferris@google.com
+chiahungduan@google.com
 danalbert@google.com
 rprichard@google.com
 yabinc@google.com