Make secilc accessible by root only

There's no reason for SELinux policy compiler to be accessible by
anybode other than root.

Test: Device boots -- secilc isn't used yet anyway
Bug: 31363362
Change-Id: I26cf34f1412b8dd471f79271c491b473617a6df6
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 7e27c3e..75e2492 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -180,6 +180,7 @@
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/crash_dump32" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/crash_dump64" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/debuggerd" },
+    { 00700, AID_ROOT,      AID_ROOT,      0, "system/bin/secilc" },
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/uncrypt" },
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/*" },