ART: Refactor retrieval of types through ArtMethod.

Split Get*() functions that take a "bool resolve"
argument into Lookup*() and Resolve*() functions.

Test: m test-art-host-gtest
Test: testrunner.py --host
Change-Id: I0b7eaa1fadc2ffa8c0168203790467f91a126963
diff --git a/runtime/debugger.cc b/runtime/debugger.cc
index 5a87ae8..0b7af4e 100644
--- a/runtime/debugger.cc
+++ b/runtime/debugger.cc
@@ -4008,8 +4008,8 @@
 
         if (shorty[i + 1] == 'L') {
           // Did we really get an argument of an appropriate reference type?
-          mirror::Class* parameter_type =
-              m->GetClassFromTypeIndex(types->GetTypeItem(i).type_idx_, true /* resolve */);
+          ObjPtr<mirror::Class> parameter_type =
+              m->ResolveClassFromTypeIndex(types->GetTypeItem(i).type_idx_);
           mirror::Object* argument = gRegistry->Get<mirror::Object*>(arg_values[i], &error);
           if (error != JDWP::ERR_NONE) {
             return JDWP::ERR_INVALID_OBJECT;