Add conditions for Auto to isUserSetupComplete()

Similarly to Android TV, Android Auto also has a separate
secure setting for when setup is finished. Use this for
the default setup complete check.

Test: manual
Bug: 171432173
Signed-off-by: Julius D'Souza <jdsouza@google.com>
Change-Id: Ica8b7bb5f06c34976e8acc5f540af19a98ef5dd6