Add SELinux service for RoleManagerService

Test: ensure no build failures;
add RoleManagerService as a boot phase
ensure no SecurityException in logcat on boot
Change-Id: Ia0803c0fb084fe2b12f5c20f5e46354d0dd1aedf

private/compat/26.0/26.0.ignore.cil

@@ -131,6 +131,7 @@
     perfprofd_service
     property_info
     recovery_socket
+    role_service
     secure_element
     secure_element_device
     secure_element_tmpfs

private/compat/27.0/27.0.ignore.cil

@@ -118,6 +118,7 @@
     perfprofd_service
     property_info
     recovery_socket
+    role_service
     secure_element
     secure_element_device
     secure_element_service

private/compat/28.0/28.0.ignore.cil

@@ -52,6 +52,7 @@
     mnt_product_file
     overlayfs_file
     recovery_socket
+    role_service
     super_block_device
     system_lmk_prop
     system_suspend_hwservice

private/service_contexts

@@ -142,6 +142,7 @@ radio.phone                               u:object_r:radio_service:s0
 radio.sms                                 u:object_r:radio_service:s0
 recovery                                  u:object_r:recovery_service:s0
 restrictions                              u:object_r:restrictions_service:s0
+role                                      u:object_r:role_service:s0
 rttmanager                                u:object_r:rttmanager_service:s0
 samplingprofiler                          u:object_r:samplingprofiler_service:s0
 scheduling_policy                         u:object_r:scheduling_policy_service:s0

public/service.te

@@ -132,6 +132,7 @@ type procstats_service, app_api_service, ephemeral_app_api_service, system_serve
 type recovery_service, system_server_service, service_manager_type;
 type registry_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type restrictions_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
+type role_service, app_api_service, system_server_service, service_manager_type;
 type rttmanager_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type samplingprofiler_service, system_server_service, service_manager_type;
 type scheduling_policy_service, system_server_service, service_manager_type;