thermal: bringup thermal_controld sepolicy rules

Bug: 202805103
Test: switch thermal tj property and check thermal threshold
Change-Id: I351dfd300186a6de8bdcf1edfcb7a461e80670cd
diff --git a/thermal/file_contexts b/thermal/file_contexts
index 40e00a9..acd360f 100644
--- a/thermal/file_contexts
+++ b/thermal/file_contexts
@@ -1,4 +1,5 @@
 /vendor/bin/hw/android\.hardware\.thermal@2\.0-service\.pixel                     u:object_r:hal_thermal_default_exec:s0
 /vendor/bin/thermal_logd                                                          u:object_r:init-thermal-logging-sh_exec:s0
+/vendor/bin/thermal_controld                                                      u:object_r:pixel-thermal-control-sh_exec:s0
 /vendor/bin/thermal_symlinks                                                      u:object_r:init-thermal-symlinks-sh_exec:s0
 /dev/thermal(/.*)?                                                                u:object_r:thermal_link_device:s0