- Previously we only check for the flag which is always true in the
normal launcher state, so if the animation starts, we could end up
writing the back alpha value without accounting for window focus or
any other states that launcher is in that affects back button
visibility
Bug: 155129739
Test: Open -1 article and hit back
Change-Id: I42d27a192b23f394f8565a6893ce092603e31654
> Removing 'Launcher' as parameter from state methods called by StateManager
> Converting state properties to methods for easier abstraction
> Moving state handling drom state definition to activity class
Change-Id: I997627df606a7e0bb3bf32688d045a942a47fc94