DozeSensors uses default pickup config value

Instead of defaulting to TRUE if the setting value
is unset/null.

Test: atest DozeSensorsTest
Test: manually test on device, see lift to wake is default ON/OFF
and observe the lift to wake gesture matches the defualt value
in settings
Fixes: 256185823

Change-Id: I7ab03e23066047b4d51f03ccf98b9ebc8d0c809f
3 files changed