Add selinux for slice service

Test: make/sync
Bug: 68751119
Change-Id: Ie3c60ff68b563cef07f20d15f298d6b62e9356bc

private/compat/26.0/26.0.ignore.cil

@@ -23,6 +23,7 @@
     netd_stable_secret_prop
     network_watchlist_service
     package_native_service
+    slice_service
     statscompanion_service
     storaged_data_file
     sysfs_fs_ext4_features

private/service_contexts

@@ -141,6 +141,7 @@ simphonebook_msim                         u:object_r:radio_service:s0
 simphonebook2                             u:object_r:radio_service:s0
 simphonebook                              u:object_r:radio_service:s0
 sip                                       u:object_r:radio_service:s0
+slice                                     u:object_r:slice_service:s0
 statscompanion                            u:object_r:statscompanion_service:s0
 soundtrigger                              u:object_r:voiceinteraction_service:s0
 statusbar                                 u:object_r:statusbar_service:s0

public/service.te

@@ -127,6 +127,7 @@ type serial_service, system_api_service, system_server_service, service_manager_
 type servicediscovery_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type settings_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type shortcut_service, app_api_service, system_server_service, service_manager_type;
+type slice_service, app_api_service, system_server_service, service_manager_type;
 type statusbar_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type storagestats_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type task_service, system_server_service, service_manager_type;