Add ADB system service

ADB is being separated from USB service since it's not tied to the USB
transport. This duplicates the usb_service's settings to adb_service for
this purpose.

Bug: 63820489
Test: make
Change-Id: Idbcfbe470d7568f9cba51f0c8d4a8ee9503db93d

private/compat/26.0/26.0.ignore.cil

@@ -3,7 +3,8 @@
 ;;   previous ones.  Add here to pass checkapi tests.
 (typeattribute new_objects)
 (typeattributeset new_objects
-  ( adbd_exec
+  ( adb_service
+    adbd_exec
     bootloader_boot_reason_prop
     blank_screen
     blank_screen_exec

private/compat/27.0/27.0.ignore.cil

@@ -3,7 +3,8 @@
 ;;   previous ones.  Add here to pass checkapi tests.
 (typeattribute new_objects)
 (typeattributeset new_objects
-  ( blank_screen
+  ( adb_service
+    blank_screen
     blank_screen_exec
     blank_screen_tmpfs
     bootloader_boot_reason_prop

private/service_contexts

 accessibility                             u:object_r:accessibility_service:s0
 account                                   u:object_r:account_service:s0
 activity                                  u:object_r:activity_service:s0
+adb                                       u:object_r:adb_service:s0
 alarm                                     u:object_r:alarm_service:s0
 android.os.UpdateEngineService            u:object_r:update_engine_service:s0
 android.security.keystore                 u:object_r:keystore_service:s0

public/service.te

@@ -37,6 +37,7 @@ type vr_hwc_service,            service_manager_type;
 type accessibility_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type account_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type activity_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
+type adb_service, system_server_service, service_manager_type;
 type alarm_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type appops_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;
 type appwidget_service, app_api_service, ephemeral_app_api_service, system_server_service, service_manager_type;