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/native/java_lang_System.cc b/runtime/native/java_lang_System.cc
index 1b399aa..8b9d0c7 100644
--- a/runtime/native/java_lang_System.cc
+++ b/runtime/native/java_lang_System.cc
@@ -24,7 +24,7 @@
 #include "mirror/class-inl.h"
 #include "mirror/object-inl.h"
 #include "mirror/object_array-inl.h"
-#include "scoped_fast_native_object_access.h"
+#include "scoped_fast_native_object_access-inl.h"
 
 namespace art {
 
@@ -60,14 +60,14 @@
   }
 
   // Make sure source and destination are both arrays.
-  mirror::Object* srcObject = soa.Decode<mirror::Object*>(javaSrc);
+  ObjPtr<mirror::Object> srcObject = soa.Decode<mirror::Object>(javaSrc);
   if (UNLIKELY(!srcObject->IsArrayInstance())) {
-    ThrowArrayStoreException_NotAnArray("source", srcObject);
+    ThrowArrayStoreException_NotAnArray("source", srcObject.Decode());
     return;
   }
-  mirror::Object* dstObject = soa.Decode<mirror::Object*>(javaDst);
+  ObjPtr<mirror::Object> dstObject = soa.Decode<mirror::Object>(javaDst);
   if (UNLIKELY(!dstObject->IsArrayInstance())) {
-    ThrowArrayStoreException_NotAnArray("destination", dstObject);
+    ThrowArrayStoreException_NotAnArray("destination", dstObject.Decode());
     return;
   }
   mirror::Array* srcArray = srcObject->AsArray();
@@ -164,8 +164,8 @@
 inline void System_arraycopyTUnchecked(JNIEnv* env, jobject javaSrc, jint srcPos,
                                        jobject javaDst, jint dstPos, jint count) {
   ScopedFastNativeObjectAccess soa(env);
-  mirror::Object* srcObject = soa.Decode<mirror::Object*>(javaSrc);
-  mirror::Object* dstObject = soa.Decode<mirror::Object*>(javaDst);
+  ObjPtr<mirror::Object> srcObject = soa.Decode<mirror::Object>(javaSrc);
+  ObjPtr<mirror::Object> dstObject = soa.Decode<mirror::Object>(javaDst);
   DCHECK(dstObject != nullptr);
   mirror::Array* srcArray = srcObject->AsArray();
   mirror::Array* dstArray = dstObject->AsArray();
@@ -228,7 +228,7 @@
     return 0;
   }
   ScopedFastNativeObjectAccess soa(env);
-  mirror::Object* o = soa.Decode<mirror::Object*>(javaObject);
+  ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(javaObject);
   return static_cast<jint>(o->IdentityHashCode());
 }