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/runtime/gc/space/large_object_space.cc b/runtime/gc/space/large_object_space.cc
index 16d1f93..0030326 100644
--- a/runtime/gc/space/large_object_space.cc
+++ b/runtime/gc/space/large_object_space.cc
@@ -27,7 +27,7 @@
 #include "base/stl_util.h"
 #include "image.h"
 #include "os.h"
-#include "scoped_thread_state_change.h"
+#include "scoped_thread_state_change-inl.h"
 #include "space-inl.h"
 #include "thread-inl.h"
 
diff --git a/runtime/gc/space/space_create_test.cc b/runtime/gc/space/space_create_test.cc
index 170f927..7bc4dc4 100644
--- a/runtime/gc/space/space_create_test.cc
+++ b/runtime/gc/space/space_create_test.cc
@@ -18,7 +18,7 @@
 
 #include "dlmalloc_space.h"
 #include "rosalloc_space.h"
-#include "scoped_thread_state_change.h"
+#include "scoped_thread_state_change-inl.h"
 
 namespace art {
 namespace gc {
diff --git a/runtime/gc/space/space_test.h b/runtime/gc/space/space_test.h
index bd600fe..17d7c87 100644
--- a/runtime/gc/space/space_test.h
+++ b/runtime/gc/space/space_test.h
@@ -26,7 +26,7 @@
 #include "mirror/class-inl.h"
 #include "mirror/class_loader.h"
 #include "mirror/object-inl.h"
-#include "scoped_thread_state_change.h"
+#include "scoped_thread_state_change-inl.h"
 #include "thread_list.h"
 #include "zygote_space.h"