ART: Add GetObjectSize and GetObjectHashCode

Add support for these two functions. Add tests.

Bug: 31684578
Test: m test-art-host-run-test-920-objects
Change-Id: If5dfb5aedddee47e5d739b0c56c7d264ba6e2d51
diff --git a/test/ti-agent/common_load.cc b/test/ti-agent/common_load.cc
index d60cff3..2f4af9f 100644
--- a/test/ti-agent/common_load.cc
+++ b/test/ti-agent/common_load.cc
@@ -38,6 +38,7 @@
 #include "912-classes/classes.h"
 #include "913-heaps/heaps.h"
 #include "918-fields/fields.h"
+#include "920-objects/objects.h"
 
 namespace art {
 
@@ -73,6 +74,7 @@
   { "917-fields-transformation", common_redefine::OnLoad, nullptr },
   { "918-fields", Test918Fields::OnLoad, nullptr },
   { "919-obsolete-fields", common_redefine::OnLoad, nullptr },
+  { "920-objects", Test920Objects::OnLoad, nullptr },
 };
 
 static AgentLib* FindAgent(char* name) {