Remove some priv_app logspam.

avc: denied { search } for name="/" scontext=u:r:priv_app:s0:c512,c768 tcontext=u:object_r:fs_bpf:s0 tclass=dir permissive=0

Bug: 72749888
Test: Boot without seeing the denial.
Change-Id: Iaf3559928473c68066e6a42ba71655a683861901