Sepolicy: add pixelstats/HardwareInfo sepolicy

avc denials to fix (after apply ag/17120763)
[   50.171564] type=1400 audit(1647222380.884:28): avc: denied { read } for comm="pixelstats-vend" name="battery_history" dev="tmpfs" ino=639 scontext=u:r:pixelstats_vendor:s0 tcontext=u:object_r:device:s0 tclass=chr_file permissive=0
[   54.519375] type=1400 audit(1647222385.228:29): avc: denied { read } for comm="id.hardwareinfo" name="battery_history" dev="tmpfs" ino=639 scontext=u:r:hardware_info_app:s0:c512,c768 tcontext=u:object_r:device:s0 tclass=chr_file permissive=0 app=com.google.android.hardwareinfo

Bug: 222019890
Test: manually check debug logcat
Change-Id: I0e4f3f3a66783383b0d1327cec4dcd145ae9a7af
4 files changed