Improve external table statistics collection, including log, observability and fix some bugs.
1. Add Running state for statistics job.
2. Add progress for show analyze job. (n/m tasks finished, n/m task failed and so on)
3. Add analyze time cost for show analyze task.
4. Make task failure message more clear.
5. Synchronize the job status updating code in updateTaskStatus.
6. Fix NPE in HMSAnalyzeTask. (Avoid refreshing statistics cache if the collection sql failed)
7. Return error message for with sync collection while timeout.
8. Log level improvement
9. Fix misuse of logCreateAnalysisJob for tasks.
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