gps: add policy for partial reset feature

avc:  denied  { read } for  name="u:object_r:vendor_rild_prop:s0" dev="tmpfs" ino=413 scontext=u:r:gnssd:s0 tcontext=u:object_r:vendor_rild_prop:s0 tclass=file permissive=0
avc:  denied  { open } for  path="/dev/__properties__/u:object_r:vendor_rild_prop:s0" dev="tmpfs" ino=414 scontext=u:r:gnssd:s0 tcontext=u:object_r:vendor_rild_prop:s0 tclass=file permissive=0
avc:  denied  { getattr } for  path="/dev/__properties__/u:object_r:vendor_rild_prop:s0" dev="tmpfs" ino=414 scontext=u:r:gnssd:s0 tcontext=u:object_r:vendor_rild_prop:s0 tclass=file permissive=0
avc:  denied  { map } for  path="/dev/__properties__/u:object_r:vendor_rild_prop:s0" dev="tmpfs" ino=414 scontext=u:r:gnssd:s0 tcontext=u:object_r:vendor_rild_prop:s0 tclass=file permissive=0

Bug: 326493553
Test: no avc denied error
Change-Id: I4ac1ecf51da01c24d4e2f0f7e52df1d2cb92e275
diff --git a/gps/lsi/sepolicy/gnssd.te b/gps/lsi/sepolicy/gnssd.te
index 42c974e..56ab51f 100644
--- a/gps/lsi/sepolicy/gnssd.te
+++ b/gps/lsi/sepolicy/gnssd.te
@@ -28,3 +28,6 @@
 
 # Allow gnssd to set GPS property
 set_prop(gnssd, vendor_gps_prop)
+
+# Read RIL property
+get_prop(gnssd, vendor_rild_prop)