Merge "Revert "Stats: removed obsolete IStats HIDL sepolicies"" am: 222ff4d229 am: 598e966991

Original change: https://android-review.googlesource.com/c/device/google/crosshatch-sepolicy/+/1779985

Change-Id: I7f53694a1b653969acdd5a3f984b3cabcbb78fdd