Log async call duration and include final status in retries exceeded error

[stuartleeks]

• Add setAsyncCompletionLogMessagePrefixValue to enable logging of async operations on completion (with duration)
• When reporting the retries exceeded error, include the last retrieved status to aid debugging

[stuartleeks]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov-commenter]

Codecov Report

Merging #1349 (c5a7863) into master (2c1a0fb) will decrease coverage by 0.02%. The diff coverage is 58.62%.

@@            Coverage Diff             @@
##           master    #1349      +/-   ##
==========================================
- Coverage   84.80%   84.77%   -0.03%     
==========================================
  Files         287      287              
  Lines       14231    14249      +18     
  Branches      732      726       -6     
==========================================
+ Hits        12068    12079      +11     
- Misses       2163     2170       +7     

Impacted Files	Coverage Δ
...zure/synapse/ml/cognitive/DocumentTranslator.scala	19.44% <0.00%> (-0.28%)	:arrow_down:
.../azure/synapse/ml/geospatial/AzureMapsTraits.scala	60.65% <56.25%> (+0.65%)	:arrow_up:
...ft/azure/synapse/ml/cognitive/ComputerVision.scala	72.76% <61.90%> (-0.28%)	:arrow_down:
...se/ml/cognitive/MultivariateAnomalyDetection.scala	87.33% <75.00%> (-1.05%)	:arrow_down:
...zure/synapse/ml/stages/PartitionConsolidator.scala	95.74% <0.00%> (+2.12%)	:arrow_up:

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[stuartleeks]

@mhamilton723 - I've just pushed a new commit that simplifies the approach in the PR based on my understanding of our conversation

[stuartleeks]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[stuartleeks]

@mhamilton723 - are you able to review this?