frameworks/base refactoring.

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

Change-Id: I14624ba23db92a81f2cb929f104386e1fab293ef
diff --git a/libs/utils/AssetDir.cpp b/libs/utils/AssetDir.cpp
index c5f664e..475f521 100644
--- a/libs/utils/AssetDir.cpp
+++ b/libs/utils/AssetDir.cpp
@@ -19,7 +19,7 @@
 // implementation is in the header file or in friend functions in
 // AssetManager.
 //
-#include <utils/AssetDir.h>
+#include <androidfw/AssetDir.h>
 
 using namespace android;