[ALPS04525727] SEPolicy:add perm for system_server

For Android Q, there is a more stringent restriction for ioctl,
system_server need some permission to access proc_ged by ioctlcmd
in MTBF.

MTK-Commit-Id: d79045e8bfe072a3125efa56cf5012cfb84e416b

Change-Id: Ic82c4ff92333077d9260f931c67453b9e53d305e
CR-Id: ALPS04525727
Feature: [Module]SystemServer