[CloudAsset] Update client library version to use endpoint v1. (GoogleCloudPlatform#865)

Author: peter-zheng-g

asset/composer.json

@@ -1,7 +1,7 @@
 {
     "require": {
         "google/cloud-storage": "^1.9",
-        "google/cloud-asset": "^0.1.3",
+        "google/cloud-asset": "^0.2.0",
         "symfony/console": " ^3.0"
     },
     "autoload": {

asset/src/batch_get_assets_history.php

@@ -18,9 +18,9 @@
 namespace Google\Cloud\Samples\Asset;
 
 # [START asset_quickstart_batch_get_assets_history]
-use Google\Cloud\Asset\V1beta1\AssetServiceClient;
-use Google\Cloud\Asset\V1beta1\ContentType;
-use Google\Cloud\Asset\V1beta1\TimeWindow;
+use Google\Cloud\Asset\V1\AssetServiceClient;
+use Google\Cloud\Asset\V1\ContentType;
+use Google\Cloud\Asset\V1\TimeWindow;
 use Google\Protobuf\Timestamp;
 
 function batch_get_assets_history($projectId, $assetNames)

asset/src/export_assets.php

@@ -18,9 +18,9 @@
 namespace Google\Cloud\Samples\Asset;
 
 # [START asset_quickstart_export_assets]
-use Google\Cloud\Asset\V1beta1\AssetServiceClient;
-use Google\Cloud\Asset\V1beta1\GcsDestination;
-use Google\Cloud\Asset\V1beta1\OutputConfig;
+use Google\Cloud\Asset\V1\AssetServiceClient;
+use Google\Cloud\Asset\V1\GcsDestination;
+use Google\Cloud\Asset\V1\OutputConfig;
 
 /**
  * Export assets for given project to specified dump file path.