Add SEpolicy for VcnManagementService

This patch adds the requisite permissions for the VcnManagementService.

Bug: 163431877
Test: Compiles, boots, FrameworksNetTests passes
Change-Id: I6e03ee798027b28f67d60c6e4280fb3410ec94c4
diff --git a/private/service_contexts b/private/service_contexts
index be4aa2b..4a15a07 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -242,6 +242,7 @@
 usagestats                                u:object_r:usagestats_service:s0
 usb                                       u:object_r:usb_service:s0
 user                                      u:object_r:user_service:s0
+vcn_management                            u:object_r:vcn_management_service:s0
 vibrator                                  u:object_r:vibrator_service:s0
 vibrator_manager                          u:object_r:vibrator_manager_service:s0
 virtual_touchpad                          u:object_r:virtual_touchpad_service:s0