Allow setupwizard.mode to be changed in the launcher

BUG: 114768938
Test: Yes
Change-Id: I8e89bb2aeb454431c89f7f43ae8a507b6de4a30b
(cherry picked from commit 2df651b0ecd76722a780b9b4dfdd955905a834fc)
(cherry picked from commit 0e77e859e8668eb0de6cbd5541eefdf01ea917ae)
3 files changed