Adding feature flag extendible theme

Bug: 381897614
Flag: com.android.launcher3.extendible_theme_manager
Test: N/A
Change-Id: I20ed674482f7b1e6e64b2907944d3879e1a5c2c0
diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index 7465a4c..d4cea8d 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -615,3 +615,10 @@
   description: "Enable Strict Mode for the Launcher app"
   bug: "394651876"
 }
+
+flag {
+  name: "extendible_theme_manager"
+  namespace: "launcher"
+  description: "Enables custom theme manager in Launcher"
+  bug: "381897614"
+}