[SPARK-20945] Fix TID key not found in TaskSchedulerImpl

## What changes were proposed in this pull request?

This pull request fix the TaskScheulerImpl bug in some condition.
Detail see:
https://issues.apache.org/jira/browse/SPARK-20945

(Please fill in changes proposed in this fix)

## How was this patch tested?
manual tests
(Please explain how this patch was tested. E.g. unit tests, integration tests, manual tests)
(If this patch involves UI changes, please attach a screenshot; otherwise, remove this)

Please review http://spark.apache.org/contributing.html before opening a pull request.

Author: liupengcheng <liupengcheng@xiaomi.com>
Author: PengchengLiu <pengchengliu_bupt@163.com>

Closes #18171 from liupc/Fix-tid-key-not-found-in-TaskSchedulerImpl.