"DO NOT MERGE" Add write SMS protection am: fd7a794  -s ours am: daa8d67
am: 5eee2cd

* commit '5eee2cd8453f5990d1202d010df01eca724e1010':
  "DO NOT MERGE" Add write SMS protection

Change-Id: Id83f27fd2d8b2431cea51c8eb5a4ca152a872647