Add hhb@ to OWNERS.

Bug: N/A
Test: N/A
Change-Id: I86dd3425870a62a286c15bd2e08170104e5fc038
diff --git a/OWNERS b/OWNERS
index 2ea4125..4cb95a3 100644
--- a/OWNERS
+++ b/OWNERS
@@ -2,6 +2,7 @@
 
 cferris@google.com
 danalbert@google.com
+hhb@google.com
 jmgao@google.com
 rprichard@google.com
 tomcherry@google.com