fixup

backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxListenerApi.scala

@@ -39,11 +39,6 @@ import java.util.concurrent.atomic.AtomicBoolean
 class VeloxListenerApi extends ListenerApi with Logging {
   import VeloxListenerApi._
 
-  // TODO: Implement graceful shutdown and remove these flags.
-  //  As spark conf may change when active Spark session is recreated.
-  private val driverInitialized: AtomicBoolean = new AtomicBoolean(false)
-  private val executorInitialized: AtomicBoolean = new AtomicBoolean(false)
-
   override def onDriverStart(sc: SparkContext, pc: PluginContext): Unit = {
     if (!driverInitialized.compareAndSet(false, true)) {
       // Make sure we call the static initializers only once.
@@ -147,6 +142,11 @@ object VeloxListenerApi {
   private val LOCAL_N_REGEX = """local\[([0-9]+|\*)\]""".r
   private val LOCAL_N_FAILURES_REGEX = """local\[([0-9]+|\*)\s*,\s*([0-9]+)\]""".r
 
+  // TODO: Implement graceful shutdown and remove these flags.
+  //  As spark conf may change when active Spark session is recreated.
+  private val driverInitialized: AtomicBoolean = new AtomicBoolean(false)
+  private val executorInitialized: AtomicBoolean = new AtomicBoolean(false)
+
   private def inLocalMode(conf: SparkConf): Boolean = {
     val master = conf.get("spark.master")
     master match {