[Catalyst] Add flag for Screen Timeout settings in 25Q3

Test: compile
Bug: 352179685
Bug: 389135914
Flag: com.android.settings.flags.catalyst_screen_timeout_25q3
Change-Id: Ic969c5732357e613df17f36e161fb0bdb702f2cf
diff --git a/aconfig/catalyst/display.aconfig b/aconfig/catalyst/display.aconfig
index 11c1d3a..f321708 100644
--- a/aconfig/catalyst/display.aconfig
+++ b/aconfig/catalyst/display.aconfig
@@ -16,6 +16,13 @@
 }
 
 flag {
+  name: "catalyst_screen_timeout_25q3"
+  namespace: "android_settings"
+  description: "Flag for Screen Timeout settings in 25Q3"
+  bug: "352179685"
+}
+
+flag {
   name: "catalyst_dark_ui_mode"
   namespace: "android_settings"
   description: "Flag for Dark theme"