Replace HAVE_MS_C_RUNTIME with _WIN32 in frameworks/base/tools.

Change-Id: Ideef62acbf53a442167c9b8038021affffef9e8a
diff --git a/tools/aapt/XMLNode.cpp b/tools/aapt/XMLNode.cpp
index bf31bc1..1860147 100644
--- a/tools/aapt/XMLNode.cpp
+++ b/tools/aapt/XMLNode.cpp
@@ -12,7 +12,7 @@
 #include <errno.h>
 #include <string.h>
 
-#ifndef HAVE_MS_C_RUNTIME
+#ifndef _WIN32
 #define O_BINARY 0
 #endif