Marks Linux_android tiles_scroll_perf__timeline_summary to be unflaky (#98990)

.ci.yaml

@@ -2243,7 +2243,6 @@ targets:
     scheduler: luci
 
   - name: Linux_android tiles_scroll_perf__timeline_summary
-    bringup: true # Flaky https://github.com/flutter/flutter/issues/98423
     recipe: devicelab/devicelab_drone
     presubmit: false
     timeout: 60

dev/tools/dartdoc.dart

@@ -173,7 +173,6 @@ Future<void> main(List<String> arguments) async {
       'analyzer',
       'args',
       'barback',
-      'cli_util',
       'csslib',
       'flutter_goldens',
       'flutter_goldens_client',