Update the enforce_system_radius_for_app_widgets flag's type

Renamed to use_system_radius_for_app_widgets since metadata cannot be updated after submitting definition.

Bug: 373351337
Test: N/A flag metadata update
Change-Id: I25283b05341517f5984b0f2fc0d27efe8027a3de
Flag: com.android.launcher3.use_system_radius_for_app_widgets
diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index 1856b39..4ff976d 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -501,10 +501,13 @@
 }
 
 flag {
-   name: "enforce_system_radius_for_app_widgets"
+   name: "use_system_radius_for_app_widgets"
    namespace: "launcher"
-   description: "Enforce system radius for widget corners instead of a separate 16.dp value"
-   bug: "370950552"
+   description: "Use system radius for enforced widget corners instead of a separate 16.dp value"
+   bug: "373351337"
+   metadata {
+    purpose: PURPOSE_BUGFIX
+  }
 }
 
 flag {