ART: More Quick cleanup

Remove frontend, move code to QuickCompiler.

Fix some includes.

Change-Id: Iedd8f339ec76635e48b166e285f7fc571fc948ac
diff --git a/runtime/base/dumpable.h b/runtime/base/dumpable.h
index 3c316cc..9bc4089 100644
--- a/runtime/base/dumpable.h
+++ b/runtime/base/dumpable.h
@@ -17,6 +17,8 @@
 #ifndef ART_RUNTIME_BASE_DUMPABLE_H_
 #define ART_RUNTIME_BASE_DUMPABLE_H_
 
+#include <ostream>
+
 #include "base/macros.h"
 
 namespace art {