Add flag arr_setframerate_gte_enum

For GTE enum in public setFrameRate apis.

Bug: 380949716
Flag: com.android.graphics.surfaceflinger.flags.arr_setframerate_gte_enum
Test: presubmit
Change-Id: I59a98876a97b8d42177a5eea8d5916c5871c9825
diff --git a/services/surfaceflinger/surfaceflinger_flags_new.aconfig b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
index 2c44e4c..d6a1ad4 100644
--- a/services/surfaceflinger/surfaceflinger_flags_new.aconfig
+++ b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
@@ -34,6 +34,14 @@
 } # arr_setframerate_api
 
 flag {
+  name: "arr_setframerate_gte_enum"
+  namespace: "core_graphics"
+  description: "Exposes GTE (greater than or equal to) enum for Android 16"
+  bug: "380949716"
+  is_fixed_read_only: true
+} # arr_setframerate_gte_enum
+
+flag {
   name: "arr_surfacecontrol_setframerate_api"
   namespace: "core_graphics"
   description: "New SDK SurfaceControl.Transaction#setFrameRate API for Android 16"