Subzero: Update tests and build scripts for sandboxing.

runtime/szrt.cpp

Index: runtime/szrt.cpp
diff --git a/runtime/szrt.cpp b/runtime/szrt.cpp
deleted file mode 100644
index 62afa06da9f5c3847b309784f92af4cdf88c5443..0000000000000000000000000000000000000000
--- a/runtime/szrt.cpp
+++ /dev/null
@@ -1,17 +0,0 @@
-//===- subzero/runtime/szrt.cpp - Subzero runtime source ------------------===//
-//
-//                        The Subzero Code Generator
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a C++ wrapper to szrt.c since clang++ complains about
-// .c files.
-//
-//===----------------------------------------------------------------------===//
-
-extern "C" {
-#include "szrt.c"
-}