Add verbose logging for customer testing shard (#154356)

Author: Piinks

dev/customer_testing/run_tests.dart

@@ -129,7 +129,9 @@ Future<bool> run(List<String> arguments) async {
   return runTests(
     repeat: repeat,
     skipOnFetchFailure: skipOnFetchFailure,
-    verbose: verbose,
+    // TODO(Piinks): Restore after resolving https://github.com/flutter/flutter/issues/154251
+    // Needed to see time stamps of individual test runs and identify long running test.
+    verbose: true,
     numberShards: numberShards,
     shardIndex: shardIndex,
     files: files,