Add sys/types.h in utf8.h am: 18a1606a88 am: bdc2b5fa30
am: d186d5c3b2

Change-Id: Ie4ee7b55c6f7b699e0c5d5ba764adedf63977a04
diff --git a/base/include/android-base/utf8.h b/base/include/android-base/utf8.h
index 4b91623..1a414ec 100644
--- a/base/include/android-base/utf8.h
+++ b/base/include/android-base/utf8.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #ifdef _WIN32
+#include <sys/types.h>
 #include <string>
 #else
 // Bring in prototypes for standard APIs so that we can import them into the utf8 namespace.