[PyTorch] Adopt IValue::toTupleRef() where obvious (#65505)

Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65505

Generated with

`fastmod -m 'toTuple\(\)(\s*)->' 'toTupleRef()${1}.'`

, followed by

`fastmod '(std::move\(.*)toTupleRef\(\).' '${1}toTuple()->'`

to unbreak 2 callsites.
ghstack-source-id: 142065835

Test Plan: CI

Reviewed By: gchanan

Differential Revision: D31131025

fbshipit-source-id: 54457ae5bbeb38db9c7f196d469b98521c3d3f34

android/pytorch_android/src/main/cpp/pytorch_jni_common.cpp

@@ -332,7 +332,7 @@ facebook::jni::local_ref<JIValue> JIValue::newJIValueFromAtIValue(
         JIValue::javaClassStatic(),
         facebook::jni::make_jstring(ivalue.toStringRef()));
   } else if (ivalue.isTuple()) {
-    auto elementsVec = ivalue.toTuple()->elements();
+    auto elementsVec = ivalue.toTupleRef().elements();
     static auto jMethodTupleArr =
         JIValue::javaClassStatic()
             ->getStaticMethod<facebook::jni::local_ref<JIValue>(