Break apart header files.

Create libart-gtest for common runtime and compiler gtest routines.
Rename CompilerCallbacksImpl that is quick compiler specific.
Rename trace clock source constants to not use the overloaded profiler term.

Change-Id: I4aac4bdc7e7850c68335f81e59a390133b54e933
diff --git a/runtime/reflection_test.cc b/runtime/reflection_test.cc
index abe68ef..9d10daa 100644
--- a/runtime/reflection_test.cc
+++ b/runtime/reflection_test.cc
@@ -18,9 +18,11 @@
 
 #include <float.h>
 #include <limits.h>
+#include "ScopedLocalRef.h"
 
 #include "common_compiler_test.h"
 #include "mirror/art_method-inl.h"
+#include "scoped_thread_state_change.h"
 
 namespace art {