title: Change value or create it if it does not exist
body: <p>I want to modify a certan value from build.prop file which looks like this</p>
  
  <pre><code>ro.product.brand=Asus
  ro.product.name=lineage_Z00T
  ro.product.device=Z00T
  </code></pre>
  
  <p>Whats the best way to change ro.product.brand value from "Asus" to "Samsung". And if this value does not exist then create it</p>