/etc/ubuntu-touch-session.d/ is in ubuntu-touch-session 0.108+16.04.20160407-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/etc/ubuntu-touch-session.d/GT-I9000B.conf
/etc/ubuntu-touch-session.d/GT-I9100.conf
/etc/ubuntu-touch-session.d/GT-N7000.conf
/etc/ubuntu-touch-session.d/GT-N8000.conf
/etc/ubuntu-touch-session.d/GT-N8013.conf
/etc/ubuntu-touch-session.d/SGH-I777.conf
/etc/ubuntu-touch-session.d/android.conf
/etc/ubuntu-touch-session.d/cdma_maserati.conf
/etc/ubuntu-touch-session.d/cdma_solana.conf
/etc/ubuntu-touch-session.d/cdma_spyder.conf
/etc/ubuntu-touch-session.d/cdma_targa.conf
/etc/ubuntu-touch-session.d/deb.conf
/etc/ubuntu-touch-session.d/dlx.conf
/etc/ubuntu-touch-session.d/espressorf.conf
/etc/ubuntu-touch-session.d/espressowifi.conf
/etc/ubuntu-touch-session.d/flo.conf
/etc/ubuntu-touch-session.d/generic.conf
/etc/ubuntu-touch-session.d/generic_x86.conf
/etc/ubuntu-touch-session.d/grouper.conf
/etc/ubuntu-touch-session.d/hammerhead.conf
/etc/ubuntu-touch-session.d/maguro.conf
/etc/ubuntu-touch-session.d/mako.conf
/etc/ubuntu-touch-session.d/manta.conf
/etc/ubuntu-touch-session.d/tf300t.conf
/etc/ubuntu-touch-session.d/u9200.conf
/etc/ubuntu-touch-session.d/umts_spyder.conf