Fix "can't create user" failure

Bug 29612099

Change-Id: I1317f32ecaa06a36df12b2361814184f62ad1cae
diff --git a/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java b/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java
index 56e7a8b..689006d 100644
--- a/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java
+++ b/services/tests/shortcutmanagerutils/src/com/android/server/pm/shortcutmanagertest/ShortcutManagerTestUtils.java
@@ -204,7 +204,8 @@
     }
 
     public static void setDefaultLauncher(Instrumentation instrumentation, String component) {
-        runCommand(instrumentation, "cmd package set-home-activity " + component,
+        runCommand(instrumentation, "cmd package set-home-activity --user "
+                + instrumentation.getContext().getUserId() + " " + component,
                 result -> result.contains("Success"));
     }