This service contains notifiers (Backlight2SlpiNotifier,
Freq2SlpiNotifier) which are responsible for relaying
current brightness and refresh rate to our under-display
light sensor. Without it, the screen brightness affects
light sensor readings, making auto brightness unusable.
Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com>
Change-Id: I1e6249e915e4973167dc1642af5e15717d2c03ef
