Add HeapTest and make GC work enough to pass it

Change-Id: If06eaef2921b64b3226bfd347acaec60ec993e67
diff --git a/src/compiler.cc b/src/compiler.cc
index 37f8298..8396bdf 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -4,8 +4,10 @@
 
 #include "assembler.h"
 #include "class_linker.h"
+#include "class_loader.h"
 #include "dex_cache.h"
 #include "jni_compiler.h"
+#include "runtime.h"
 
 extern bool oatCompileMethod(art::Method*, art::InstructionSet);