tree bd78c529bebbd8db55871a416d68de05e54a5838
parent ce477912a2c8c6945e72be79973f1c4157fed915
author Charles He <qiurui@google.com> 1479996300 +0000
committer Charles He <qiurui@google.com> 1481717310 +0000

Prevent writing to FRP partition during factory reset.

Avoid potential race condition between FRP wipe and write operations
during factory reset by making the FRP partition unwritable after
wipe.

Bug: 30352311
Test: manual
Change-Id: If3f024a1611366c0677a996705724458094fcfad
(cherry picked from commit a629c772f4a7a5ddf7ff9f78fb19f7ab86c2a9c2)