Add tigerhuang to the owner list of WM

Bug: none
Test: none
Change-Id: Ie72a5a6e27c319e31cb86a17bd0ef00b5c5e2bf6
diff --git a/services/core/java/com/android/server/wm/OWNERS b/services/core/java/com/android/server/wm/OWNERS
index 4be4c89..1077736 100644
--- a/services/core/java/com/android/server/wm/OWNERS
+++ b/services/core/java/com/android/server/wm/OWNERS
@@ -11,3 +11,4 @@
 riddlehsu@google.com
 louischang@google.com
 winsonc@google.com
+tigerhuang@google.com