Operation instructions:
    start from init.rc using start-ssh script
    Add your public key to /data/ssh/authorized_keys
    login with "ssh shell@<ip address>" from another computer on same network

Change-Id: I1085a8b2f2766d4a2a4a70ffaf0352b07c261281
Signed-off-by: Mike Lockwood <lockwood@google.com>