sepolicy: Fix a few denials

 * From sysinit and adbd

Change-Id: I56505e34774f9697a7f336efb43808a651a871f8
diff --git a/sepolicy/sysinit.te b/sepolicy/sysinit.te
index 6fd0b85..1a451a3 100644
--- a/sepolicy/sysinit.te
+++ b/sepolicy/sysinit.te
@@ -7,6 +7,8 @@
 allow sysinit devpts:chr_file { rw_file_perms };
 allow sysinit shell_exec:file { rx_file_perms };
 allow sysinit system_file:file { rx_file_perms };
+allow sysinit system_file:dir { r_dir_perms };
+allow sysinit toolbox_exec:file { rx_file_perms };
 allow sysinit self:process setcurrent;
 
 userdebug_or_eng(`