frameworks/base refactoring.

step 2: move libutils headers to their new home: androidfw

Change-Id: I14624ba23db92a81f2cb929f104386e1fab293ef
diff --git a/tools/aapt/StringPool.h b/tools/aapt/StringPool.h
index 255bdbf..86044ed 100644
--- a/tools/aapt/StringPool.h
+++ b/tools/aapt/StringPool.h
@@ -10,7 +10,7 @@
 #include "Main.h"
 #include "AaptAssets.h"
 
-#include <utils/ResourceTypes.h>
+#include <androidfw/ResourceTypes.h>
 #include <utils/String16.h>
 #include <utils/TextOutput.h>