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/dex/compiler_ir.h b/compiler/dex/compiler_ir.h
index 0c46d43..dceea24 100644
--- a/compiler/dex/compiler_ir.h
+++ b/compiler/dex/compiler_ir.h
@@ -21,11 +21,11 @@
 #include <string>
 #include <vector>
 
+#include "base/arena_allocator.h"
+#include "base/scoped_arena_allocator.h"
 #include "base/timing_logger.h"
 #include "invoke_type.h"
 #include "safe_map.h"
-#include "utils/arena_allocator.h"
-#include "utils/scoped_arena_allocator.h"
 
 namespace art {