Enable tracking of objects by default

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
===================================================================
--- tools/heapcheck/suppressions.txt	(revision 108024)
+++ tools/heapcheck/suppressions.txt	(working copy)
@@ -193,6 +193,23 @@
    fun:base::LeakyLazyInstanceTraits::New
    fun:base::LazyInstance::Pointer
 }
+{
+   Intentional leak in object tracking statics to avoid shutdown race
+   Heapcheck:Leak
+   ...
+   fun:tracked_objects::ThreadData::Initialize*
+}
+{
+   Intentional leak in object tracking of thread context to avoid shutdown race
+   Heapcheck:Leak
+   fun:tracked_objects::ThreadData::Get
+}
+{
+   Intentional leak of task birth and death data to avoid shutdown race
+   Heapcheck:Leak
+   ...
+   fun:tracked_objects::ThreadData::TallyA*
+}
 
 
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