Add power.stats HAL 1.0 sepolicy

BUG: 117424656
BUG: 111185513
Test: run vts -m VtsHalPowerStatsV1_0Target

Change-Id: Icb0790219df4189c0dabbe41221e69e56d000755
diff --git a/private/system_server.te b/private/system_server.te
index c18f4e5..bf2d1f1 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -209,6 +209,7 @@
 hal_client_domain(system_server, hal_oemlock)
 hal_client_domain(system_server, hal_omx)
 hal_client_domain(system_server, hal_power)
+hal_client_domain(system_server, hal_power_stats)
 hal_client_domain(system_server, hal_sensors)
 hal_client_domain(system_server, hal_system_suspend)
 hal_client_domain(system_server, hal_tetheroffload)