code: public final Context updateContext(Context context) {
  
      UpdateContextRequest request = UpdateContextRequest.newBuilder().setContext(context).build();
      return updateContext(request);
    }
docs: Updates the specified context.
  
  <p>Sample code:
  
  <pre><code>
  try (ContextsClient contextsClient = ContextsClient.create()) {
  Context context = Context.newBuilder().build();
  Context response = contextsClient.updateContext(context);
  }
  </code></pre>
  
  @param context Required. The context to update.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails