Add a new Analysis Server option '--new-analysis-driver-log'.

pkg/analysis_server/lib/src/server/driver.dart

Index: pkg/analysis_server/lib/src/server/driver.dart
diff --git a/pkg/analysis_server/lib/src/server/driver.dart b/pkg/analysis_server/lib/src/server/driver.dart
index f813e78a44d248847d0940c053b32fc5f22c41e2..2f180ee61aeef22b511de648a6009737ba0c12f4 100644
--- a/pkg/analysis_server/lib/src/server/driver.dart
+++ b/pkg/analysis_server/lib/src/server/driver.dart
@@ -243,7 +243,7 @@ class Driver implements ServerStarter {
       "incremental-resolution-validation";
 
   /**
-   * The name of the option used to enable using pub summary manager.
+   * The name of the option used to enable using the new analysis driver.
    */
   static const String ENABLE_NEW_ANALYSIS_DRIVER = 'enable-new-analysis-driver';
 
@@ -276,6 +276,11 @@ class Driver implements ServerStarter {
   static const String INTERNAL_PRINT_TO_CONSOLE = "internal-print-to-console";
 
   /**
+   * The name of the option used to describe the new analysis driver logger.
+   */
+  static const String NEW_ANALYSIS_DRIVER_LOG = 'new-analysis-driver-log';
+
+  /**
    * The name of the flag used to disable error notifications.
    */
   static const String NO_ERROR_NOTIFICATION = "no-error-notification";
@@ -399,6 +404,8 @@ class Driver implements ServerStarter {
     analysisServerOptions.useAnalysisHighlight2 =
         results[USE_ANALISYS_HIGHLIGHT2];
     analysisServerOptions.fileReadMode = results[FILE_READ_MODE];
+    analysisServerOptions.newAnalysisDriverLog =
+        results[NEW_ANALYSIS_DRIVER_LOG];
 
     _initIncrementalLogger(results[INCREMENTAL_RESOLUTION_LOG]);
 
@@ -559,6 +566,8 @@ class Driver implements ServerStarter {
         help: "enable sending `print` output to the console",
         defaultsTo: false,
         negatable: false);
+    parser.addOption(NEW_ANALYSIS_DRIVER_LOG,
+        help: "set a destination for the new analysis driver's log");
     parser.addOption(PORT_OPTION,
         help: "the http diagnostic port on which the server provides"
             " status and performance information");