Add IpSecService SEPolicy

Add a new type and context for IpSec to system SEPolicy

Bug: 35923241
Test: service starts + talks to NetD
Change-Id: I69356c8525b426d344fcc4858fc499ab12405b20
diff --git a/private/service_contexts b/private/service_contexts
index 5fd87dc..8be98e9 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -66,6 +66,7 @@
 iphonesubinfo                             u:object_r:radio_service:s0
 ims                                       u:object_r:radio_service:s0
 imms                                      u:object_r:imms_service:s0
+ipsec                                     u:object_r:ipsec_service:s0
 isms_msim                                 u:object_r:radio_service:s0
 isms2                                     u:object_r:radio_service:s0
 isms                                      u:object_r:radio_service:s0