Add flag to fix Classic Feature Flag loading on HSUM builds.

Bug: 345443431
Flag: com.android.systemui.classic_flags_multi_user
Test: None
Change-Id: Ie00421ac3f10c543ff67684e2cde699da7389d8c
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 02e0423..eb9d0ab 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1243,4 +1243,13 @@
    metadata {
         purpose: PURPOSE_BUGFIX
    }
-}
\ No newline at end of file
+}
+flag {
+   name: "classic_flags_multi_user"
+   namespace: "systemui"
+   description: "Make the classic feature flag loading multi user aware."
+   bug: "345443431"
+   metadata {
+        purpose: PURPOSE_BUGFIX
+   }
+}