authsecret HAL policies.

Bug: 71527305
Test: compile and boot
Change-Id: I91097bd62d99b8dd9eb6f53060badbaf0f4b8b4a
(cherry picked from commit 1aedf4b5f8bdc391c61a22d01278de70c26eb9e8)
diff --git a/public/hal_authsecret.te b/public/hal_authsecret.te
new file mode 100644
index 0000000..81b0c04
--- /dev/null
+++ b/public/hal_authsecret.te
@@ -0,0 +1,5 @@
+# HwBinder IPC from client to server
+binder_call(hal_authsecret_client, hal_authsecret_server)
+
+add_hwservice(hal_authsecret_server, hal_authsecret_hwservice)
+allow hal_authsecret_client hal_authsecret_hwservice:hwservice_manager find;