onDrawerStateChanged handle the argument

[sudhirvkumar]

onDrawerStateChanged function

Function called when the drawer state has changed. The drawer can be in 3 states: - idle, meaning there is no interaction with the navigation view happening at the time - dragging, meaning there is currently an interaction with the navigation view - settling, meaning that there was an interaction with the navigation view, and the navigation view is now finishing it's closing or opening animation