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

Change-Id: I8f10fcf6b604848f68ecc086dd3723841e07ef8c