get_adjust_switch: Get Updated Adjustment Status.
In carlonlv/DataCenterSim: Simulations for Data Centers

Return the updated adjustment status based on the react_speed and react_counter.

1	get_adjust_switch(score1, react_counter, adjust_switch, react_speed)

`score1`	A numeric indicating the computed score1 information from previous prediction step, should be `1`, `0` or `NA`.
`react_counter`	A numeric indicating the status of counter for changing the status of adjust_switch.
`adjust_switch`	A logical indicating the status of adjustment switch, `TRUE` for on and `FALSE`.
`react_speed`	A numeric vector indicating the reacting speed to change adjustment switch from `FALSE` to `TRUE` and from `TRUE` to `FALSE`.