Revert "Upgrade to dlmalloc 2.8.5."

This reverts commit 2d13791ce7ff61221ca047553891f31a23b2e943.
diff --git a/libpixelflinger/codeflinger/CodeCache.h b/libpixelflinger/codeflinger/CodeCache.h
index 54fd69b..aaafd26 100644
--- a/libpixelflinger/codeflinger/CodeCache.h
+++ b/libpixelflinger/codeflinger/CodeCache.h
@@ -22,6 +22,7 @@
 #include <stdint.h>
 #include <pthread.h>
 #include <sys/types.h>
+#include <cutils/mspace.h>
 
 #include "tinyutils/KeyedVector.h"
 #include "tinyutils/smartpointer.h"
@@ -67,6 +68,9 @@
     typedef void    weakref_type;
 
 private:
+    static  mspace  getMspace();
+            void    ensureMbaseExecutable();
+
     mutable int32_t     mCount;
             uint32_t*   mBase;
             size_t      mSize;