Native: move samples to backend.native/tests/

kotlin-native/backend.native/tests/samples/tensorflow/downloadTensorflow.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+KONAN_USER_DIR=${KONAN_DATA_DIR:-"$HOME/.konan"}
+TF_TARGET_DIRECTORY="$KONAN_USER_DIR/third-party/tensorflow"
+TF_TYPE="cpu" # Change to "gpu" for GPU support
+
+if [ x$TARGET == x ]; then
+case "$OSTYPE" in
+  darwin*)  TARGET=macbook; TF_TARGET=darwin ;;
+  linux*)   TARGET=linux; TF_TARGET=linux ;;
+  *)        echo "unknown: $OSTYPE" && exit 1;;
+esac
+fi
+
+if [ ! -d $TF_TARGET_DIRECTORY/include/tensorflow ]; then
+    echo "Installing TensorFlow into $TF_TARGET_DIRECTORY ..."
+    mkdir -p $TF_TARGET_DIRECTORY
+    curl -s -L "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-${TF_TYPE}-${TF_TARGET}-x86_64-1.1.0.tar.gz" | tar -C $TF_TARGET_DIRECTORY -xz
+fi