Allow dumpstate to read the update_engine logs

Denial message:
avc: denied { read } for pid=2775 comm="dumpstate" name="update_engine_log"
dev="sda35" ino=3850274 scontext=u:r:dumpstate:s0
tcontext=u:object_r:update_engine_log_data_file:s0 tclass=dir permissive=0

Bug: 78201703
Test: take a bugreport
Change-Id: I2c788c1211812aa0fcf58cee37a6e8f955424849

public/dumpstate.te

@@ -189,6 +189,10 @@ allow dumpstate cache_recovery_file:file r_file_perms;
 allow dumpstate recovery_data_file:dir r_dir_perms;
 allow dumpstate recovery_data_file:file r_file_perms;
 
+#Access /data/misc/update_engine_log
+allow dumpstate update_engine_log_data_file:dir r_dir_perms;
+allow dumpstate update_engine_log_data_file:file r_file_perms;
+
 # Access /data/misc/profiles/{cur,ref}/
 userdebug_or_eng(`
   allow dumpstate user_profile_data_file:dir r_dir_perms;