This service hogs a considerable amount of CPU all the time as its
busy calculating compensation for our under-display light sensor
(and also spamming logcat, which we can take care of later).
PID USER PR NI VIRT RES SHR S[%CPU] %MEM TIME+ ARGS
1969 system 20 0 12G 9.2M 9.0M S 4.6 0.1 1:13.15 vendor.xiaomi.sensor.citsensorservice@2.0-service
Move it to background CPU set like the sensors multihal to lower
power consumption from big cores.
Change-Id: I8c7b2835b2b53654642ac20fd97df3b8a5ad96eb
