sepolicy: align sepolicy of pixelstats-vendor from b5/r3 am: 4984f6a44e am: 316f686d87

Original change: https://googleplex-android-review.googlesource.com/c/device/google/barbet-sepolicy/+/12890701

Change-Id: I9a7338519db57f2dc1345140c2e8806fa9b2c49a
tree: df4325812f58497e09182285529898016c0a883c
  1. tracking_denials/
  2. vendor/
  3. barbet-sepolicy.mk
  4. OWNERS