acer: enable LIS302DL accelerometer sensor, incl. in hdaps

switch from pc to tablet mode should be implemented later
with props hal.sensors.axis.revert and hal.sensors.axis.order

Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>
init: enable adb on tcp/ip by default
selinux: enable but stay in permissive mode
acer: add some test keys (do not merge)