Merge "Prevent writing to FRP partition during factory reset." into lmp-mr1-dev am: 4bd97eb888 am: a8484b4f92 am: d7f2a4b0c7 am: b64af9bacd am: e15e0de7e5 am: 6bb6f02a15 am: 03fa83e216 am: c189f23dd4
am: 835c1bcedb

Change-Id: Ia49ac04fb87b215fc52b0dd40d917f2aab045745