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/common_compiler_test.h b/compiler/common_compiler_test.h
index 5239121..4a02fd5 100644
--- a/compiler/common_compiler_test.h
+++ b/compiler/common_compiler_test.h
@@ -51,7 +51,7 @@
 
   static void MakeExecutable(const void* code_start, size_t code_length);
 
-  void MakeExecutable(mirror::ClassLoader* class_loader, const char* class_name)
+  void MakeExecutable(ObjPtr<mirror::ClassLoader> class_loader, const char* class_name)
       REQUIRES_SHARED(Locks::mutator_lock_);
 
  protected: