Define aconfig flag for widget resizing

Bug: 368053833
Flag: EXEMPT flag definition
Test: N/A
Change-Id: Iacc710aae13eb67ddcca49d071affac56747be68
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 7974f92..368dade 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1053,6 +1053,13 @@
 }
 
 flag {
+  name: "communal_widget_resizing"
+  namespace: "systemui"
+  description: "Allow resizing of widgets on glanceable hub"
+  bug: "368053818"
+}
+
+flag {
   name: "app_clips_backlinks"
   namespace: "systemui"
   description: "Enables Backlinks improvement feature in App Clips"