Merge "Add unapplied transaction cleanup feature flag" into main

  is_fixed_read_only: true

} # frametimestamps_previousrelease

flag {

  name: "unapplied_transaction_cleanup"

  namespace: "window_surfaces"

  description: "properly clean up resources for transactions that aren't applied"

  bug: "261757446"

} # unapplied_transaction_cleanup

flag {

  name: "bq_extendedallocate"

  namespace: "core_graphics"