Fix Google Setup Wizard jank

* Don't remove location page.
* Remove Google Setup wizard page upon completion
to match CMAccount behavior

Change-Id: Iac7f8687c570c88a43b4259b89d3efe117c7c01b
Signed-off-by: Roman Birg <roman@cyngn.com>
CMAccountTests: reset DEFAULT_THEME_APPLIED_ON_FIRST_BOOT flag to 0

Change-Id: Idf73124e1b12a1229592b9833fa8fa6ed1e244ff
Signed-off-by: Roman Birg <roman@cyngn.com>