ART: Add dex::ProtoIndex

Test: m -j32 test-art-host
Change-Id: Ic2d2a7a43be1b8590b97cdf3729200b043ffc6a3
diff --git a/compiler/optimizing/code_generator.cc b/compiler/optimizing/code_generator.cc
index f573337..fb556f4 100644
--- a/compiler/optimizing/code_generator.cc
+++ b/compiler/optimizing/code_generator.cc
@@ -771,7 +771,7 @@
 
 void CodeGenerator::GenerateLoadMethodTypeRuntimeCall(HLoadMethodType* method_type) {
   LocationSummary* locations = method_type->GetLocations();
-  MoveConstant(locations->GetTemp(0), method_type->GetProtoIndex());
+  MoveConstant(locations->GetTemp(0), method_type->GetProtoIndex().index_);
   CheckEntrypointTypes<kQuickResolveMethodType, void*, uint32_t>();
   InvokeRuntime(kQuickResolveMethodType, method_type, method_type->GetDexPc());
 }