"DO NOT MERGE" Add write SMS protection am: 64745b1 am: 9accc36
am: 6c32c81

* commit '6c32c815bfbe1058791c6dbee0a98c6b30792963':
  "DO NOT MERGE" Add write SMS protection

Change-Id: I4cca8e8ac4b4659ce7dc28264ccd39a53d68098c