Dontaudit denials caused by race with labeling.

These denials seem to be caused by a race with the process that labels
the files.  While we work on fixing them, hide the denials.

Bug: 68864350
Bug: 70180742
Test: Built policy.
Change-Id: I58a32e38e6384ca55e865e9575dcfe7c46b2ed3c
5 files changed