Change thread.h to thread-inl.h to pick up missing Thread::Currnet for debug build in master

Change-Id: I56a4dd18ec1c212f9dbb73b14c0c0623b23c87bd
diff --git a/runtime/base/logging.cc b/runtime/base/logging.cc
index 7d54baf..3d842a0 100644
--- a/runtime/base/logging.cc
+++ b/runtime/base/logging.cc
@@ -18,7 +18,7 @@
 
 #include "base/mutex.h"
 #include "runtime.h"
-#include "thread.h"
+#include "thread-inl.h"
 #include "utils.h"
 
 namespace art {