Taken from xiaomi changes in lisa-r-oss.
This is required to notify brightness changes to xiaomi
citsensorservice in userspace, which in turn updates
our under-display light sensor to adjust accordingly.
Suggested-by: Divyanshu-Modi <divyan.m05@gmail.com>
Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com>
Change-Id: If9696d3a10f4815b69c983b588da01e31cfa0bf2