Allow system_server to read binderfs state file

This is for more information on binder threads during ANRs.

Test: adb shell am hang
Bug: 316970771
Change-Id: I905c8b605540aabb7463cb0e1b3a9a8b07f8d5cb
diff --git a/private/dumpstate.te b/private/dumpstate.te
index 29cd454..27b6904 100644
--- a/private/dumpstate.te
+++ b/private/dumpstate.te
@@ -128,6 +128,9 @@
 set_prop(dumpstate, ctl_gsid_prop)
 binder_call(dumpstate, gsid)
 
+#Allow access to /dev/binderfs/binder_logs
+allow dumpstate binderfs_logs_transactions:file r_file_perms;
+
 r_dir_file(dumpstate, ota_metadata_file)
 
 # For starting (and killing) perfetto --save-for-bugreport. If a labelled trace