deprecated methods -> undeprecated versions. (#428)

Author: jerjou

samples/snippets/src/main/java/com/example/storage/QuickstartSample.java

@@ -26,15 +26,15 @@
 public class QuickstartSample {
   public static void main(String... args) throws Exception {
     // Instantiates a client
-    Storage storage = StorageOptions.defaultInstance().service();
+    Storage storage = StorageOptions.getDefaultInstance().getService();
 
     // The name for the new bucket
     String bucketName = args[0];  // "my-new-bucket";
 
     // Creates the new bucket
     Bucket bucket = storage.create(BucketInfo.of(bucketName));
 
-    System.out.printf("Bucket %s created.%n", bucket.name());
+    System.out.printf("Bucket %s created.%n", bucket.getName());
   }
 }
 // [END storage_quickstart]

samples/snippets/src/test/java/com/example/storage/QuickstartSampleIT.java

@@ -41,7 +41,7 @@ public class QuickstartSampleIT {
   private PrintStream out;
 
   private static final void deleteBucket(String bucketName) {
-    Storage storage = StorageOptions.defaultInstance().service();
+    Storage storage = StorageOptions.getDefaultInstance().getService();
     storage.delete(bucketName);
   }