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

private/bug_map

@@ -36,6 +36,7 @@ storaged storaged capability 77634061
 system_server crash_dump process 73128755
 system_server logd_socket sock_file 64734187
 system_server sdcardfs file 77856826
+system_server storage_stub_file dir 112609936
 system_server zygote process 77856826
 usbd usbd capability 72472544
 zygote untrusted_app_25 process 77925912