Move MmsService into phone process (2/2)

b/16324360

Change-Id: If79f293a547deef570a80a5569ff8eb973ce29be
diff --git a/service_contexts b/service_contexts
index 82d2f8a..c8e388f 100644
--- a/service_contexts
+++ b/service_contexts
@@ -48,7 +48,7 @@
 iphonesubinfo2                            u:object_r:radio_service:s0
 iphonesubinfo                             u:object_r:radio_service:s0
 ims                                       u:object_r:radio_service:s0
-imms                                      u:object_r:system_app_service:s0
+imms                                      u:object_r:radio_service:s0
 isms_msim                                 u:object_r:radio_service:s0
 isms2                                     u:object_r:radio_service:s0
 isms                                      u:object_r:radio_service:s0