Merge "Remove a stale line in a JavaDoc."

    public static final int POP_BACK_STACK_INCLUSIVE = 1<<0;

    /**

     * Pop the top state off the back stack.  Returns true if there was one

     * to pop, else false.  This function is asynchronous -- it enqueues the

     * request to pop, but the action will not be performed until the application

     * returns to its event loop.

     * Pop the top state off the back stack.  This function is asynchronous -- it

     * enqueues the request to pop, but the action will not be performed until the

     * application returns to its event loop.

     */

    public abstract void popBackStack();