Allow CAS AIDL sample HAL

Bug: 230377377, 227673974
Test: manual
Change-Id: Ied6822d8114404b85dbed56ae4806de1bfb43e54
diff --git a/private/service_contexts b/private/service_contexts
index 7d980f2..784affd 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -18,6 +18,7 @@
 # The instance here is internal/0 following naming convention for ICameraProvider.
 # It advertises internal camera devices.
 android.hardware.camera.provider.ICameraProvider/internal/0          u:object_r:hal_camera_service:s0
+android.hardware.cas.IMediaCasService/default                        u:object_r:hal_cas_service:s0
 android.hardware.confirmationui.IConfirmationUI/default              u:object_r:hal_confirmationui_service:s0
 android.hardware.contexthub.IContextHub/default                      u:object_r:hal_contexthub_service:s0
 android.hardware.drm.IDrmFactory/clearkey                            u:object_r:hal_drm_service:s0