Sepolicy for SupplementalProcessManager

Test: Builds
Bug: 204989700
Ignore-AOSP-First: Feature developed internally
Change-Id: I4c03cd79ca7456defc46333d61b58101f80f1ca8
diff --git a/private/service_contexts b/private/service_contexts
index 4a23857..98369d3 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -291,6 +291,7 @@
 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
 SurfaceFlinger                            u:object_r:surfaceflinger_service:s0
 suspend_control                           u:object_r:system_suspend_control_service:s0
 suspend_control_internal                  u:object_r:system_suspend_control_internal_service:s0