Create a bugfix flag to modify associatedDisplay cursor in CD

Bug: 396568321
Test: None
Flag: EXEMPT adding new flag
Change-Id: I640ea9095246f932e8367907c42634b3941adec5

Author: nergi

libs/input/input_flags.aconfig

@@ -231,6 +231,16 @@ flag {
   bug: "362719483"
 }
 
+flag {
+  name: "connected_displays_associated_display_cursor_bugfix"
+  namespace: "lse_desktop_experience"
+  description: "Apply some rules to define associated display cursor behavior in connected displays"
+  bug: "396568321"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+}
+
 flag {
   name: "use_cloned_screen_coordinates_as_raw"
   namespace: "input"