Rename DexFile to DexCache

Change-Id: I93fa3e4f7cf87fbaac974f0d2577628a23f0d8c2
diff --git a/src/runtime.h b/src/runtime.h
index 69f6228..f697b4a 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -7,7 +7,7 @@
 
 #include "globals.h"
 #include "macros.h"
-#include "raw_dex_file.h"
+#include "dex_file.h"
 #include "stringpiece.h"
 
 namespace art {