[Inline Reply] Add Flag for expand heads up on inline reply

Bug: 346976443
Test: Presubmit
Flag: com.android.systemui.expand_heads_up_on_inline_reply
Change-Id: I90ccca4640fcd1800956b4036182c52c54db1d4e
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 5ee6008..9d891c3 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1115,3 +1115,13 @@
         purpose: PURPOSE_BUGFIX
     }
 }
+
+flag {
+  name: "expand_heads_up_on_inline_reply"
+  namespace: "systemui"
+  description: "Expands heads up notification when users clicks reply button and activate inline reply"
+  bug: "346976443"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+}