Rename SupplementalProcess to SdkSandbox

Ignore-AOSP-First: sepolicy is not in aosp, yet
Bug: 220320098
Test: presubmit
Change-Id: I9fb98e0caee75bdaaa35d11d174004505f236799
diff --git a/private/service_contexts b/private/service_contexts
index 9424355..c6fb3d5 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -324,7 +324,7 @@
 storaged                                  u:object_r:storaged_service:s0
 storaged_pri                              u:object_r:storaged_service:s0
 storagestats                              u:object_r:storagestats_service:s0
-supplemental_process                      u:object_r:supplemental_process_service:s0
+sdk_sandbox                               u:object_r:sdk_sandbox_service:s0
 SurfaceFlinger                            u:object_r:surfaceflinger_service:s0
 SurfaceFlingerAIDL                        u:object_r:surfaceflinger_service:s0
 suspend_control                           u:object_r:system_suspend_control_service:s0