Remove request id in response listener logging

[dai-chen]

Issue #, if available: N/A

Description of changes: For some reason, request ID in thread context may not be populated. In response listener, another exception thrown from work thread when logging. In this case, Kibana hung there due to the uncaught exception.

java.lang.IllegalStateException: Request id not present in current context
  at com.amazon.opendistroforelasticsearch.sql.legacy.utils.LogUtils.getRequestId(LogUtils.java:54) ~[?:?]
  at com.amazon.opendistroforelasticsearch.sql.legacy.plugin.RestSQLQueryAction.logAndPublishMetrics(RestSQLQueryAction.java:217) ~[?:?]
  at com.amazon.opendistroforelasticsearch.sql.legacy.plugin.RestSQLQueryAction.access$200(RestSQLQueryAction.java:74) ~[?:?]
  at com.amazon.opendistroforelasticsearch.sql.legacy.plugin.RestSQLQueryAction$2.onFailure(RestSQLQueryAction.java:197) ~[?:?]
  at com.amazon.opendistroforelasticsearch.sql.elasticsearch.executor.ElasticsearchExecutionEngine.lambda$execute$0(ElasticsearchExecutionEngine.java:57) ~[?:?]
  at com.amazon.opendistroforelasticsearch.sql.elasticsearch.client.ElasticsearchNodeClient.lambda$withCurrentContext$5(ElasticsearchNodeClient.java:188) ~[?:?]
  at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:660) ~[elasticsearch-7.9.1.jar:7.9.1]
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]
  at java.lang.Thread.run(Thread.java:834) [?:?]

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #1027 (c505f10) into develop (d7cfad6) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop    #1027   +/-   ##
==========================================
  Coverage      99.87%   99.87%           
- Complexity      2415     2474   +59     
==========================================
  Files            234      236    +2     
  Lines           5544     5623   +79     
  Branches         358      362    +4     
==========================================
+ Hits            5537     5616   +79     
  Misses             5        5           
  Partials           2        2           

Impacted Files	Coverage Δ	Complexity Δ
...arch/data/value/ElasticsearchExprValueFactory.java	100.00% <0.00%> (ø)	80.00% <0.00%> (+20.00%)
...ticsearch/data/utils/ElasticsearchJsonContent.java	100.00% <0.00%> (ø)	20.00% <0.00%> (?%)
...ch/sql/elasticsearch/data/utils/ObjectContent.java	100.00% <0.00%> (ø)	19.00% <0.00%> (?%)

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[penghuo]

LGTM