tree 9d9f4923dd0c7f9ce247477904cfb31c8467e3f2
parent 8704c83dbea63aa635b1a3689802da35374287c6
author Kelvin Zhang <zhangkelvin@google.com> 1620749787 -0400
committer Kelvin Zhang <zhangkelvin@google.com> 1620930105 -0400

ResetStatus if update_engine boot in different slot but same build

Old behavior:
    When update_engine starts up after device take OTA and reboot, if
    device booted into a different build(check build fingerprint),
    ResetStatus().

When we apply a self-ota, device will boot into the same build, so
ResetStatus() is never called. If we apply the same OTA at this point,
this OTA will be treated as a "resume", and will fail to install because
we never call libsnapshot's API to allocate snapshot for new update.

Changed to ResetStatus() if boot slot changed, or build fingerprint
changed.

Bug: 185019674
Test: apply self-full OTA, reboot, repeat 2 times.
Change-Id: Idcc29dc1c02f3b9b2c84ed1978abedb651a3875a