Add rules for /system/bin/tzdatacheck

Bug: 19941636
Change-Id: I7cc61e058424c856da88f11ff9b259f34cb39dc7

file_contexts

@@ -175,6 +175,7 @@
 /system/bin/patchoat    u:object_r:dex2oat_exec:s0
 /system/bin/sgdisk      u:object_r:sgdisk_exec:s0
 /system/bin/blkid       u:object_r:blkid_exec:s0
+/system/bin/tzdatacheck u:object_r:tzdatacheck_exec:s0
 
 #############################
 # Vendor files

tzdatacheck.te

+# The tzdatacheck command run by init.
+type tzdatacheck, domain;
+type tzdatacheck_exec, exec_type, file_type;
+
+init_daemon_domain(tzdatacheck)
+
+allow tzdatacheck zoneinfo_data_file:dir create_dir_perms;
+allow tzdatacheck zoneinfo_data_file:file unlink;