Enable secondary_user_on_secondary_display for CtsNetTestCasesUpdateStatsPermission

secondary_user_on_secondary_display is for background users that have
access to UI on assigned displays (a.k.a. visible background users) on devices that have
config_multiuserVisibleBackgroundUsers enabled.

Bug: 364634490
Flag: EXEMPT test fix
Test: Tested on Auto reference hardware with Multi Display
Test: atest CtsNetTestCasesUpdateStatsPermission
Test: atest --user-type secondary_user_on_Secondary_display CtsNetTestCasesUpdateStatsPermission
Change-Id: Ic658b0a8710592010826fbb3b2046fbe93d61048
diff --git a/tests/cts/netpermission/updatestatspermission/AndroidTest.xml b/tests/cts/netpermission/updatestatspermission/AndroidTest.xml
index fb6c814..82994c4 100644
--- a/tests/cts/netpermission/updatestatspermission/AndroidTest.xml
+++ b/tests/cts/netpermission/updatestatspermission/AndroidTest.xml
@@ -20,6 +20,7 @@
     <option name="config-descriptor:metadata" key="parameter" value="instant_app" />
     <option name="config-descriptor:metadata" key="parameter" value="not_multi_abi" />
     <option name="config-descriptor:metadata" key="parameter" value="secondary_user" />
+    <option name="config-descriptor:metadata" key="parameter" value="secondary_user_on_secondary_display" />
     <option name="not-shardable" value="true" />
     <target_preparer class="com.android.tradefed.targetprep.suite.SuiteApkInstaller">
         <option name="cleanup-apks" value="true" />