prepare to switch to config based tcp buffer sizes

Change-Id: Id6e5774e484473a0c86defef5788026a8f785433
switch to config based tcp buffer sizes

Change-Id: I4e86ce5b869a4172fe4d9ce055fb0b897a03a775
Move tty_enabled from Telephony to Telecomm

Change-Id: Icf4a7c64c44cac88ee6f45de3634f0d0e5e2b3a6
Enable multiuser

Change-Id: If55067bffae18719c33f840719f898659855dbd6
Merge branch 'remote' into mkl