Add xutan@ to WM shell owner

Also move the resource owners to the new OWNERS file from the OWNERS
file one level of folder above.

Bug: None
Test: None
Ignore-AOSP-First: Cherry picked from aosp/2162828
Change-Id: I81b3eeff0cf565482772023243652a949cfbcd1f
Merged-In: I81b3eeff0cf565482772023243652a949cfbcd1f
diff --git a/libs/WindowManager/OWNERS b/libs/WindowManager/OWNERS
index 780e4c1..2c61df9 100644
--- a/libs/WindowManager/OWNERS
+++ b/libs/WindowManager/OWNERS
@@ -1,6 +1,3 @@
 set noparent
 
 include /services/core/java/com/android/server/wm/OWNERS
-
-# Give submodule owners in shell resource approval
-per-file Shell/res*/*/*.xml = hwwang@google.com, lbill@google.com, madym@google.com
diff --git a/libs/WindowManager/Shell/OWNERS b/libs/WindowManager/Shell/OWNERS
new file mode 100644
index 0000000..4b12590
--- /dev/null
+++ b/libs/WindowManager/Shell/OWNERS
@@ -0,0 +1,4 @@
+xutan@google.com
+
+# Give submodule owners in shell resource approval
+per-file res*/*/*.xml = hwwang@google.com, lbill@google.com, madym@google.com