thermal: sepolicy for thermalservice and Thermal HAL revision 1.1

Add sepolicy for thermalserviced daemon, IThermalService binder
service, IThermalCallback hwservice, and Thermal HAL revision 1.1.

Test: manual: marlin with modified thermal-engine.conf
Bug: 30982366
Change-Id: I207fa0f922a4e658338af91dea28c497781e8fe9
(cherry picked from commit ec3b6b7e25f709fcc9c177beebafae885d641f6d)
diff --git a/private/file_contexts b/private/file_contexts
index 876a17b..7f9f512 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -257,6 +257,7 @@
 /system/bin/update_engine        u:object_r:update_engine_exec:s0
 /system/bin/bspatch              u:object_r:update_engine_exec:s0
 /system/bin/storaged             u:object_r:storaged_exec:s0
+/system/bin/thermalserviced      u:object_r:thermalserviced_exec:s0
 /system/bin/webview_zygote32     u:object_r:webview_zygote_exec:s0
 /system/bin/webview_zygote64     u:object_r:webview_zygote_exec:s0
 /system/bin/virtual_touchpad     u:object_r:virtual_touchpad_exec:s0