Merge branch 'copy-backup-samples' of github.com:asthamohta/java-spanner into copy-backup-samples

Author: asthamohta

samples/snippets/src/main/java/com/example/spanner/CopyBackupSample.java

@@ -80,7 +80,7 @@ static void copyBackup(
     } catch (InterruptedException e) {
       throw SpannerExceptionFactory.propagateInterrupt(e);
     }
-    // Reload the metadata of the backup from the server.
+    // Load the metadata of the new backup from the server.
     destinationBackup = destinationBackup.reload();
     System.out.println(
               String.format(

samples/snippets/src/main/java/com/example/spanner/SpannerSample.java

@@ -1696,7 +1696,7 @@ static void listBackupOperations(
                               + "google.spanner.admin.database.v1.CopyBackupMetadata) "
                               + "AND (metadata.source_backup:%s)",
                       backupId.getName());
-    Page<Operation>  copyBackupOperations = instance.listBackupOperations(Options.filter(filter));
+    Page<Operation> copyBackupOperations = instance.listBackupOperations(Options.filter(filter));
     System.out.println("Copy Backup Operations:");
     for (Operation op : copyBackupOperations.iterateAll()) {
       try {