Add @binhnguyen and @haoliuu to OWNERS

Test: mma
Change-Id: I7bbe69e74cde8a3743113e4520d8679de5ba80e6
diff --git a/OWNERS b/OWNERS
index 4146960..7622048 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,2 +1,5 @@
 include platform/external/libtextclassifier:/OWNERS
 tobyj@google.com
+binhnguyen@google.com
+haoliuu@google.com
+pkorth@google.com
\ No newline at end of file