whitelist test failure that bypassed presubmit

avc: denied { read } for comm="batterystats-wo" name="show_stat" dev="sysfs"
scontext=u:r:system_server:s0 tcontext=u:object_r:sysfs:s0 tclass=file

Bug: 77816522
Test: build
Change-Id: I50a9bfe1a9e4df9c84cf4b2b4aedbb8f82ac94cd
diff --git a/private/bug_map b/private/bug_map
index 8d646c5..2727cd2 100644
--- a/private/bug_map
+++ b/private/bug_map
@@ -4,3 +4,4 @@
 untrusted_app_25 system_data_file dir 72550646
 untrusted_app_27 system_data_file dir 72550646
 usbd usbd capability 72472544
+system_server sysfs file 77816522