bug_map: track new pm/storage denials

avc: denied { getattr } for comm="Binder:1231_1" path="/storage/emulated" dev="tmpfs" ino=72787 scontext=u:r:system_server:s0 tcontext=u:object_r:storage_stub_file:s0 tclass=dir

Bug: 112609936
Test: Built policy.
Change-Id: Ib772aca11bad4ba267de259be4ad065f228ef1df