Add myself to owners for desktop

Bug: 275118296

Change-Id: I3be0bee2f89c9ea230ab7dae1f80cb2b74aab270
diff --git a/libs/WindowManager/Shell/tests/OWNERS b/libs/WindowManager/Shell/tests/OWNERS
index 1c28c3d..64dfc3e 100644
--- a/libs/WindowManager/Shell/tests/OWNERS
+++ b/libs/WindowManager/Shell/tests/OWNERS
@@ -7,3 +7,4 @@
 madym@google.com
 hwwang@google.com
 chenghsiuchang@google.com
+atsjenk@google.com