Create initial shell package

- It does nothing

Bug: 146497807
Test: atest WindowManagerShellTests
Test: SystemUI builds
Change-Id: Ieda77ffdc6a6bed88e55e195a2d9f147e5d4d458
diff --git a/packages/WindowManager/Shell/OWNERS b/packages/WindowManager/Shell/OWNERS
new file mode 100644
index 0000000..4390004
--- /dev/null
+++ b/packages/WindowManager/Shell/OWNERS
@@ -0,0 +1,4 @@
+# sysui owners
+hwwang@google.com
+mrenouf@google.com
+winsonc@google.com
\ No newline at end of file