Merge "Add a flag for TaskStackTransitionObserver" into main

    description: "Whether to apply Camera Compat treatment to fixed-orientation apps in desktop windowing mode"

    bug: "314952133"

}

flag {

    name: "enable_task_stack_observer_in_shell"

    namespace: "lse_desktop_experience"

    description: "Introduces a new observer in shell to track the task stack."

    bug: "341932484"

}