message: Add a comment to call XlaDevice::EnsureDeviceContextOk
  If/when we make eager recover from device errors, this method should
  get called.
diff: @@ -1091,6 +1091,10 @@ Status EagerKernelExecute(EagerContext* ctx,
  // TODO(apassos) figure out how to record stats for ops which are a part of
  // functions.
  // TODO(agarwal): change Run to take vector of handles ?
  + // TODO(b/111859745): When we support recovering from kernel/device errors, we
  + // would need to call XlaDevice::EnsureDeviceContextOk() before using an XLA
  + // device. We don't call it now because it is an unneeded overhead (it
  + // acquires a lock) and we can't recover from errors anyway.
  ScopedStepContainer* container = ctx->StepContainer();
  if (container == nullptr) {
  TF_RETURN_IF_ERROR(kernel->Run(input_vector, &outputs, maybe_stats,
  