grant power hal client to access stable power hal service

Bug: 147913776
Test: Build
Change-Id: Ibf0d6b7b5b4ac71994de53922d9ce685bdc5f704
diff --git a/public/hal_power.te b/public/hal_power.te
index 2c80a51..c94771b 100644
--- a/public/hal_power.te
+++ b/public/hal_power.te
@@ -6,4 +6,5 @@
 
 add_service(hal_power_server, hal_power_service)
 binder_call(hal_power_server, servicemanager)
+binder_call(hal_power_client, servicemanager)
 allow hal_power_client hal_power_service:service_manager find;