Version: 66.0.3329.0
Reproduction Steps: 
1. Log into Chromebook and enable Chromevox.
2. Change speech rate by pressing Search+[ to the desired amount. Change typing echo to no typing echo by repeatedly pressing Search+a,t
3.
 Log out or restart.
Expected: All screen readers have the ability to save settings to the log on screen. Especially if I am the only user of the CHromebook, I ought to be able to set my preferences as I wish to, and have them honored.
Actual: This is not the case, and settings are not saved. Also, adjusting settings while on the log on screen does not preserve settingcs, and it ought to.