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/compiler/dex/dex_to_dex_compiler.cc b/compiler/dex/dex_to_dex_compiler.cc
index e0abf19..236a3b2 100644
--- a/compiler/dex/dex_to_dex_compiler.cc
+++ b/compiler/dex/dex_to_dex_compiler.cc
@@ -280,7 +280,7 @@
   ScopedObjectAccess soa(Thread::Current());
   StackHandleScope<1> hs(soa.Self());
   Handle<mirror::ClassLoader> class_loader(hs.NewHandle(
-      soa.Decode<mirror::ClassLoader*>(unit_.GetClassLoader())));
+      soa.Decode<mirror::ClassLoader>(unit_.GetClassLoader())));
 
   ClassLinker* class_linker = unit_.GetClassLinker();
   ArtMethod* resolved_method = class_linker->ResolveMethod<ClassLinker::kForceICCECheck>(