Disallow factory reset while in DSU mode

Bug: 430568718
Flag: EXEMPT CVE_FIX
Test: presubmit
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:72f795b3bcb0c98971f5f15689c9399c8160bfcb)
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:156dac8a424208057390dd27f78307eab0281af0
Merged-In: I36afa074f16bb7ebf8b617de73dab3d4df5fb5dc
Change-Id: I36afa074f16bb7ebf8b617de73dab3d4df5fb5dc
1 file changed