Clean up ScopedThreadStateChange to use ObjPtr

Also fixed inclusion of -inl.h files in .h files by adding
scoped_object_access-inl.h and scoped_fast_natvie_object_access-inl.h

Changed AddLocalReference / Decode to use ObjPtr.

Changed libartbenchmark to be debug to avoid linkage errors.

Bug: 31113334

Test: test-art-host

Change-Id: I4d2e160483a29d21e1e0e440585ed328b9811483
diff --git a/patchoat/patchoat.cc b/patchoat/patchoat.cc
index 1af3660..d58f38c 100644
--- a/patchoat/patchoat.cc
+++ b/patchoat/patchoat.cc
@@ -46,7 +46,7 @@
 #include "offsets.h"
 #include "os.h"
 #include "runtime.h"
-#include "scoped_thread_state_change.h"
+#include "scoped_thread_state_change-inl.h"
 #include "thread.h"
 #include "utils.h"