Have UserController use a CarUserSwitchingDialog instead of a
UserSwitchingDialog if the FEATURE_AUTOMOTIVE flag is present
so Android Auto can customize the look of the dialog.

+ minor changes to fix colors and sizes

Test: tested on Mojave
bug: 75023449
Change-Id: Icf8b63acf257505a3e58fa368be0dd57a60960b4
15 files changed