Grant traced_probes search on directories.

This is needed to be able to scan the labels we have
permission on.

Denial:

04-06 12:52:22.674   874   874 W traced_probes: type=1400 audit(0.0:10314): avc: denied { search } for name="backup" dev="sda45" ino=6422529 scontext=u:r:traced_probes:s0 tcontext=u:object_r:backup_data_file:s0 tclass=dir permissive=0

Bug: 73625480

private/traced_probes.te

@@ -37,17 +37,17 @@ allow traced_probes system_file:dir { open read };
 # Allow traced_probes to list some of the data partition.
 allow traced_probes self:capability dac_read_search;
 
-allow traced_probes apk_data_file:dir { getattr open read };
-allow traced_probes dalvikcache_data_file:dir { getattr open read };
+allow traced_probes apk_data_file:dir { getattr open read search };
+allow traced_probes dalvikcache_data_file:dir { getattr open read search };
 userdebug_or_eng(`
-allow traced_probes system_data_file:dir { getattr open read };
+allow traced_probes system_data_file:dir { getattr open read search };
 ')
-allow traced_probes system_app_data_file:dir { getattr open read };
-allow traced_probes backup_data_file:dir { getattr open read };
-allow traced_probes bootstat_data_file:dir { getattr open read };
-allow traced_probes update_engine_data_file:dir { getattr open read };
-allow traced_probes update_engine_log_data_file:dir { getattr open read };
-allow traced_probes user_profile_data_file:dir { getattr open read };
+allow traced_probes system_app_data_file:dir { getattr open read search };
+allow traced_probes backup_data_file:dir { getattr open read search };
+allow traced_probes bootstat_data_file:dir { getattr open read search };
+allow traced_probes update_engine_data_file:dir { getattr open read search };
+allow traced_probes update_engine_log_data_file:dir { getattr open read search };
+allow traced_probes user_profile_data_file:dir { getattr open read search };
 
 # Allow traced_probes to run atrace. atrace pokes at system services to enable
 # their userspace TRACE macros.