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/utils/arena_bit_vector.h b/compiler/utils/arena_bit_vector.h
index e5e1b70..f2a7452 100644
--- a/compiler/utils/arena_bit_vector.h
+++ b/compiler/utils/arena_bit_vector.h
@@ -17,7 +17,7 @@
 #ifndef ART_COMPILER_UTILS_ARENA_BIT_VECTOR_H_
 #define ART_COMPILER_UTILS_ARENA_BIT_VECTOR_H_
 
-#include "arena_object.h"
+#include "base/arena_object.h"
 #include "base/bit_vector.h"
 
 namespace art {