Move libgui bq_consumer_attach_callback flag

In order to avoid merge conflict during cherry-picking to aosp and
downstream merging, move bq_consumer_attach_callback flag.

Bug: 353202582
Flag: EXEMPT refactor(moving flag)
Test: n/a
Change-Id: I7bea21c0700ccd0c562781c669d866fd410e2d99
diff --git a/libs/gui/libgui_flags.aconfig b/libs/gui/libgui_flags.aconfig
index 9d44cc9..b1b385d 100644
--- a/libs/gui/libgui_flags.aconfig
+++ b/libs/gui/libgui_flags.aconfig
@@ -10,6 +10,14 @@
 } # bq_setframerate
 
 flag {
+  name: "bq_consumer_attach_callback"
+  namespace: "core_graphics"
+  description: "Controls IProducerListener to have consumer side attach callback"
+  bug: "353202582"
+  is_fixed_read_only: true
+} # bq_consumer_attach_callback
+
+flag {
   name: "frametimestamps_previousrelease"
   namespace: "core_graphics"
   description: "Controls a fence fixup for timestamp apis"
@@ -83,11 +91,3 @@
   bug: "354273690"
   is_fixed_read_only: true
 } # wb_surface_connect_methods
-
-flag {
-  name: "bq_consumer_attach_callback"
-  namespace: "core_graphics"
-  description: "Controls IProducerListener to have consumer side attach callback"
-  bug: "353202582"
-  is_fixed_read_only: true
-} # bq_consumer_attach_callback