Add code owners for desktop

Bug: 315483862
Change-Id: I501547e1b78ac6e95bb058ea83e33004738f0fc9
diff --git a/libs/WindowManager/Shell/OWNERS b/libs/WindowManager/Shell/OWNERS
index f0ed6ee..e346b51 100644
--- a/libs/WindowManager/Shell/OWNERS
+++ b/libs/WindowManager/Shell/OWNERS
@@ -1,4 +1,4 @@
 xutan@google.com
 
 # Give submodule owners in shell resource approval
-per-file res*/*/*.xml = atsjenk@google.com, hwwang@google.com, jorgegil@google.com, lbill@google.com, madym@google.com
+per-file res*/*/*.xml = atsjenk@google.com, hwwang@google.com, jorgegil@google.com, lbill@google.com, madym@google.com, nmusgrave@google.com, pbdr@google.com, tkachenkoi@google.com