Move arenas into runtime

Moved arena pool into the runtime.

Motivation:
Allow GC to use arena allocators, recycle arena pool for linear alloc.

Bug: 19264997
Change-Id: I8ddbb6d55ee923a980b28fb656c758c5d7697c2f
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index cebde3b..c221404 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -17,12 +17,12 @@
 #ifndef ART_COMPILER_OPTIMIZING_NODES_H_
 #define ART_COMPILER_OPTIMIZING_NODES_H_
 
+#include "base/arena_object.h"
 #include "entrypoints/quick/quick_entrypoints_enum.h"
 #include "invoke_type.h"
 #include "locations.h"
 #include "offsets.h"
 #include "primitive.h"
-#include "utils/arena_object.h"
 #include "utils/arena_bit_vector.h"
 #include "utils/growable_array.h"