Add glanceable hub on mobile flag

Bug: 375689917
Test: EXEMPT adding flag
Flag: com.android.systemui.communal_hub_on_mobile
Change-Id: I142fe6059d11ce7cfdc85148480b96bab21b855a
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index a56c2fe..83b7566 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1154,6 +1154,13 @@
 }
 
 flag {
+  name: "communal_hub_on_mobile"
+  namespace: "systemui"
+  description: "Brings the glanceable hub experience to mobile phones"
+  bug: "375689917"
+}
+
+flag {
     name: "dream_overlay_updated_font"
     namespace: "systemui"
     description: "Flag to enable updated font settings for dream overlay"