Revert "DO NOT MERGE. Revert "Enable the TimeZoneManagerService""

This reinstates the selinux changes for the timezone service that
were reverted on oc-dr1-dev and undesirably merged down to master.

This reverts commit 96c619c8.

Test: make
Bug: 31008728
Change-Id: Ief2129c409de09b2782881a6556d918af59badd9

private/platform_app.te

@@ -50,6 +50,7 @@ allow platform_app mediacasserver_service:service_manager find;
 allow platform_app persistent_data_block_service:service_manager find;
 allow platform_app radio_service:service_manager find;
 allow platform_app surfaceflinger_service:service_manager find;
+allow platform_app timezone_service:service_manager find;
 allow platform_app app_api_service:service_manager find;
 allow platform_app system_api_service:service_manager find;
 allow platform_app vr_manager_service:service_manager find;

private/service_contexts

@@ -149,6 +149,7 @@ telecom                                   u:object_r:telecom_service:s0
 telephony.registry                        u:object_r:registry_service:s0
 textclassification                        u:object_r:textclassification_service:s0
 textservices                              u:object_r:textservices_service:s0
+timezone                                  u:object_r:timezone_service:s0
 trust                                     u:object_r:trust_service:s0
 tv_input                                  u:object_r:tv_input_service:s0
 uimode                                    u:object_r:uimode_service:s0

public/service.te

@@ -128,6 +128,7 @@ type task_service, system_server_service, service_manager_type;
 type textclassification_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type textservices_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type telecom_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
+type timezone_service, system_server_service, service_manager_type;
 type trust_service, app_api_service, system_server_service, service_manager_type;
 type tv_input_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type uimode_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;