Bump mac trace_to_text in heap_profile script.

TBR=rsavitski

Change-Id: I02a9423b9f1f6e471344c50b80e8aeee9a496482
diff --git a/tools/heap_profile b/tools/heap_profile
index 97c7a4f..021fdd0 100755
--- a/tools/heap_profile
+++ b/tools/heap_profile
@@ -31,7 +31,7 @@
 
 TRACE_TO_TEXT_SHAS = {
   'linux': '4ab1d18e69bc70e211d27064505ed547aa82f919',
-  'mac': '0893f2892f519c6c48458bbc34a61dbed50c20a5',
+  'mac': '2ba325f95c08e8cd5a78e04fa85ee7f2a97c847e',
 }
 TRACE_TO_TEXT_PATH = tempfile.gettempdir()
 TRACE_TO_TEXT_BASE_URL = (