Merge "Add flag for themed App Headers in desktop windowing" into main

core/java/android/window/flags/lse_desktop_experience.aconfig

@@ -85,3 +85,10 @@ flag {
     description: "Matches the App Header density to that of the app window, instead of SysUI's"
     bug: "332414819"
 }
+
+flag {
+    name: "enable_themed_app_headers"
+    namespace: "lse_desktop_experience"
+    description: "Makes the App Header style adapt to the system's and app's light/dark theme"
+    bug: "328668781"
+}