Migrate WM Shell test to new Test Ownership Model

Bug: 304529413
Test: N/A
Change-Id: I165b805fbf1df069fd55e8032ddf31274dcbab71
diff --git a/libs/WindowManager/Shell/Android.bp b/libs/WindowManager/Shell/Android.bp
index a12fa5f..310300d 100644
--- a/libs/WindowManager/Shell/Android.bp
+++ b/libs/WindowManager/Shell/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_base_license"],
+    default_team: "trendy_team_multitasking_windowing",
 }
 
 // Begin ProtoLog