sepolicy: qcom: Fixing camera app not launching

denied { read } for pid=9669 comm="id.GoogleCamera"
name="u:object_r:camera_prop:s0" dev="tmpfs" ino=17770
scontext=u:r:untrusted_app:s0:c512,c768
tcontext=u:object_r:camera_prop:s0 tclass=file

Bug: 37633957
Test: Camera launches
Change-Id: I2b68a13eaea0ee83e83f8e92cfda9d46c4531060