vold_prepare_subdirs sets policy in vold-created dirs.

Bug: 25861755
Test: Boot device, observe logs
Change-Id: I6c13430d42e9794003eb48e6ca219b874112b900
diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index 1f2d823..2cb4d09 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -33,6 +33,8 @@
     thermalserviced_tmpfs
     timezone_service
     tombstoned_java_trace_socket
+    vold_prepare_subdirs
+    vold_prepare_subdirs_exec
     vold_service
     wpantund
     wpantund_exec