sepolicy: Allow android service to write on tombstones

With this commit added sepolicy rule, so that
android.hardware.wifi@1.0-service support to write
on tombstones path.
i.e /data/vendor/tombstones/wifi

Change-Id: I53633c5291f27041f23726e3d8426eab1adcd664
CRs-Fixed: 2241490
1 file changed