PocketService: Adjust light sensor rate to 400ms

We already adjusted the proximity sensor rate to
400ms, so adjust the rate for the light sensor
accordingly and create a tunable.

Change-Id: Ie6dda80df8cdc677eb6cdb873a5ce1e888572fe7
Signed-off-by: Alex Naidis <alex.naidis@linux.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
1 file changed