message: InterfaceVirtual resolution
  Summary: Sometimes, an invoke-virtual method can only be resolved to an interface method. The RefChecker didn't handle this in the past, just giving up. This is now considered, and it gives up less often.
diff: @@ -27,6 +27,10 @@ CodeRefs::CodeRefs(const DexMethod* method) {
  auto callee_ref = insn->get_method();
  auto callee =
  resolve_method(callee_ref, opcode_to_search(insn), method);
  + if (!callee && opcode_to_search(insn) == MethodSearch::Virtual) {
  + callee = resolve_method(callee_ref, MethodSearch::InterfaceVirtual,
  + method);
  + }
  if (!callee) {
  invalid_refs = true;
  return editable_cfg_adapter::LOOP_BREAK;
  