Sepolicy for system suspend HAL.

Bug: 78888165
Test: device can boot with HAL running.
Change-Id: I3bf7c8203e038b892176c97ec006152a2904c7be
diff --git a/private/hwservice_contexts b/private/hwservice_contexts
index 3779011..508d925 100644
--- a/private/hwservice_contexts
+++ b/private/hwservice_contexts
@@ -67,5 +67,6 @@
 android.hidl.memory::IMapper                                    u:object_r:hidl_memory_hwservice:s0
 android.hidl.token::ITokenManager                               u:object_r:hidl_token_hwservice:s0
 android.system.net.netd::INetd                                  u:object_r:system_net_netd_hwservice:s0
+android.system.suspend::ISystemSuspend                          u:object_r:system_suspend_hwservice:s0
 android.system.wifi.keystore::IKeystore                         u:object_r:system_wifi_keystore_hwservice:s0
 *                                                               u:object_r:default_android_hwservice:s0