android: Support host multilib builds.

test/android/writefile.c

Index: test/android/writefile.c
diff --git a/test/android/writefile.c b/test/android/writefile.c
new file mode 100644
index 0000000000000000000000000000000000000000..3f5960f8915e689aef8ac7e6557fe23dddcb4dc6
--- /dev/null
+++ b/test/android/writefile.c
@@ -0,0 +1,18 @@
+/* Copyright (c) 2014 Google Inc. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <stdio.h>
+
+extern const char* getString(void);
+
+int main(int argc, char* argv[])
+{
+  if (argc < 2) return 2;
+  FILE* f = fopen(argv[1], "w");
+  if (f == NULL) return 1;
+  fprintf(f, "%s", getString());
+  fclose(f);
+  return 0;
+}