[Display] Set B5 Default Brightness on 144 nits

Set default brightness to 144 nits that sync from previous projects.
144/(448/255) = 82, 82/255 = 0.32156862745

Bug: 151197636
Test: Boot test
Change-Id: I972a4607c3757ee8d3117bef6296554d3e454bb6
1 file changed