Cannot resolve symbol @sample/pacote.json/imagem

Estou com problemas apesar de ter criado o diretório sampledata e dentro dele o arquivo pacote.json estou recebendo a mensangem "Cannot resolve symbol @sample/pacote.json/imagem"

pacote.json

{
  "pacotes": [
    {
      "local": "São Paulo",
      "imagem": "@drawable/sao_paulo_sp",
      "dias": "2 dias",
      "preco": "R$ 243,99"
    },
    {
      "local": "Belo Horizonte",
      "imagem": "@drawable/belo_horizonte_mg",
      "dias": "3 dias",
      "preco": "R$ 421,50"
    },
    {
      "local": "Recife",
      "imagem": "@drawable/recife_pe",
      "dias": "4 dias",
      "preco": "R$ 754,20"
    },
    {
      "local": "Rio de Janeiro",
      "imagem": "@drawable/rio_de_janeiro_rj",
      "dias": "6 dias",
      "preco": "R$ 532,55"
    },
    {
      "local": "Salvador",
      "imagem": "@drawable/salvador_ba",
      "dias": "5 dias",
      "preco": "R$ 899,99"
    },
    {
      "local": "Foz do Iguaçu",
      "imagem": "@drawable/foz_do_iguacu_pr",
      "dias": "1 dia",
      "preco": "R$ 289,90"
    }
  ]
}

item_pacote.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/item_pacote_imagem"
        android:layout_width="0dp"
        android:layout_height="100dp"
        android:scaleType="centerCrop"
        android:src="@drawable/sao_paulo_sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0"
        tools:src="@sample/pacote.json/imagem" />

    <TextView
        android:id="@+id/item_pacote_local"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="8dp"
        android:background="@android:drawable/screen_background_dark_transparent"
        android:padding="8dp"
        android:text="São Paulo"
        android:textColor="@android:color/white"
        android:textSize="14sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toBottomOf="@id/item_pacote_imagem"
        app:layout_constraintEnd_toEndOf="@id/item_pacote_imagem"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="@id/item_pacote_imagem"
        app:layout_constraintTop_toTopOf="@id/item_pacote_imagem"
        app:layout_constraintVertical_bias="1.0" />

    <View
        android:id="@+id/item_pacote_divisor"
        android:layout_width="0dp"
        android:layout_height="3dp"
        android:background="@android:color/holo_orange_dark"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/item_pacote_imagem" />

    <TextView
        android:id="@+id/item_pacote_dias"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="8dp"
        android:text="2 dias"
        android:textSize="16sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/item_pacote_divisor" />

    <TextView
        android:id="@+id/item_pacote_preco"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="R$ 243,99"
        android:textColor="@android:color/holo_green_dark"
        android:textSize="20sp"
        app:layout_constraintStart_toStartOf="@id/item_pacote_dias"
        app:layout_constraintTop_toBottomOf="@id/item_pacote_dias" />

</android.support.constraint.ConstraintLayout>

O que estou fazendo de errado ?

Grato