Sepolicy for IAshmem HIDL interface

Change-Id: Id78f995661120f136d671ea0084db358e7662122
Bug: 133443879
Test: Manually check logcat for sepolicy denials (logcat | grep IAshmem)
diff --git a/private/hwservice_contexts b/private/hwservice_contexts
index f3745a3..9259202 100644
--- a/private/hwservice_contexts
+++ b/private/hwservice_contexts
@@ -76,6 +76,7 @@
 android.hidl.manager::IServiceManager                           u:object_r:hidl_manager_hwservice:s0
 android.hidl.memory::IMapper                                    u:object_r:hidl_memory_hwservice:s0
 android.hidl.token::ITokenManager                               u:object_r:hidl_token_hwservice:s0
+android.system.ashmem::IAshmem                                  u:object_r:system_ashmem_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