message: Call Call::GetStats() from the correct thread in StatsEndToEndTest.
  Cr-Commit-Position: refs/heads/master@{#28786}
diff: @@ -749,7 +749,9 @@ TEST_F(StatsEndToEndTest, CallReportsRttForSender) {
  int64_t start_time_ms = clock_->TimeInMilliseconds();
  while (true) {
  - Call::Stats stats = sender_call_->GetStats();
  + Call::Stats stats;
  + task_queue_.SendTask(
  + [this, &stats]() { stats = sender_call_->GetStats(); });
  ASSERT_GE(start_time_ms + kDefaultTimeoutMs, clock_->TimeInMilliseconds())
  << "No RTT stats before timeout!";
  if (stats.rtt_ms != -1) {
  