allow Thermal hal to send hint to PerfMgr

Bug: 162791243
Bug: 72471476
Test: build and using emul temp/running burn8 to verify it
Change-Id: I634ed334e90d2995a2be12b071117174de0b758d
(cherry picked from commit 9c4fb17d28036e92ff56f7ddb1ff366148a78946)
diff --git a/thermal/hal_thermal_default.te b/thermal/hal_thermal_default.te
index 55073a9..846f07a 100644
--- a/thermal/hal_thermal_default.te
+++ b/thermal/hal_thermal_default.te
@@ -4,5 +4,7 @@
 
 allow hal_thermal_default self:netlink_kobject_uevent_socket create_socket_perms_no_ioctl;
 
+hal_client_domain(hal_thermal_default, hal_power);
+
 # read thermal_config
 get_prop(hal_thermal_default, vendor_thermal_prop)