Move tradeinmode wipe handling to second-stage init.

Bug: 411739129
Test: adb shell tradeinmode testing wipe
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:585dd6e1ea55af0ab43d6667294c7d9d09eb5330)
Merged-In: Ic8b1a86c03389a37ecfcf516c721fff0655cfd6c
Change-Id: Ic8b1a86c03389a37ecfcf516c721fff0655cfd6c
5 files changed