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/test/461-get-reference-vreg/get_reference_vreg_jni.cc b/test/461-get-reference-vreg/get_reference_vreg_jni.cc
index 8122c6d..7b1ab9c 100644
--- a/test/461-get-reference-vreg/get_reference_vreg_jni.cc
+++ b/test/461-get-reference-vreg/get_reference_vreg_jni.cc
@@ -17,7 +17,7 @@
 #include "arch/context.h"
 #include "art_method-inl.h"
 #include "jni.h"
-#include "scoped_thread_state_change.h"
+#include "scoped_thread_state_change-inl.h"
 #include "stack.h"
 #include "thread.h"
 
@@ -70,7 +70,7 @@
 extern "C" JNIEXPORT jint JNICALL Java_Main_doNativeCallRef(JNIEnv*, jobject value) {
   ScopedObjectAccess soa(Thread::Current());
   std::unique_ptr<Context> context(Context::Create());
-  TestVisitor visitor(soa.Self(), context.get(), soa.Decode<mirror::Object*>(value));
+  TestVisitor visitor(soa.Self(), context.get(), soa.Decode<mirror::Object>(value).Decode());
   visitor.WalkStack();
   return visitor.found_method_index_;
 }