[ECM] Update SELinux policy for EnhancedConfirmationService

EnhancedConfirmationService is a new SystemService.

These changes are required before the service will boot.

Bug: 321053639
Change-Id: I15a4004ca57deb5c6f8757913c1894ba0ced399d
diff --git a/private/service_contexts b/private/service_contexts
index 5d3aaa7..66215bc 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -242,6 +242,7 @@
 dumpstate                                 u:object_r:dumpstate_service:s0
 dynamic_system                            u:object_r:dynamic_system_service:s0
 econtroller                               u:object_r:radio_service:s0
+ecm_enhanced_confirmation                 u:object_r:ecm_enhanced_confirmation_service:s0
 emergency_affordance                      u:object_r:emergency_affordance_service:s0
 euicc_card_controller                     u:object_r:radio_service:s0
 external_vibrator_service                 u:object_r:external_vibrator_service:s0