region: Change "Input Sources" label
Use "Keyboard Layout" instead.
Note 2020-08-26: This change was made in Endless to make the UI more clear, so I'm proposing it upstream. - mwleeds
Use "Keyboard Layout" instead.
Note 2020-08-26: This change was made in Endless to make the UI more clear, so I'm proposing it upstream. - mwleeds