universal7904: sepolicy: Allow hwc HAL to write ion_device

`W composer@2.1-se: type=1400 audit(0.0:144): avc: denied { write } for name="ion" dev="tmpfs" ino=13333 scontext=u:r:hal_graphics_composer_default:s0 tcontext=u:object_r:ion_device:s0 tclass=chr_file permissive=0`
`E libacryl: Failed to open /dev/ion [Permission denied]`

Change-Id: I4f6475d00981a21adddd7a99d5cfb902ee0959da
Signed-off-by: SamarV-121 <samarvispute121@gmail.com>
1 file changed