[SPARK-4401] [SQL] RuleExecutor should log trace correct iteration num

[YanTangZhai]

RuleExecutor should log trace correct iteration num

[srowen]

Exact duplicate of #3180

[SparkQA]

Test build #23368 has started for PR 3265 at commit af326f7.

• This patch merges cleanly.

[SparkQA]

Test build #23368 has finished for PR 3265 at commit af326f7.

• This patch fails Scala style tests.
• This patch merges cleanly.
• This patch adds no public classes.

[AmplabJenkins]

Test FAILed.
Refer to this link for build results (access rights to CI server needed):
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/23368/
Test FAILed.

[YanTangZhai]

@srowen Thanks. I close this.