Use bionic's dlmalloc 2.8.5.

Also fix free space computations for DDMS.

Change-Id: Icbc045b5461af89a0516f37f01acaaa815205348
diff --git a/src/native/dalvik_system_VMStack.cc b/src/native/dalvik_system_VMStack.cc
index 3284c97..091ecd6 100644
--- a/src/native/dalvik_system_VMStack.cc
+++ b/src/native/dalvik_system_VMStack.cc
@@ -44,6 +44,10 @@
     Runtime::Current()->GetThreadList()->Resume(thread, true);
     return trace;
   } else {
+    if (timeout) {
+      LOG(ERROR) << "Trying to get thread's stack failed as the thread failed to suspend within a "
+          "generous timeout.";
+    }
     return NULL;
   }
 }