Fix incorrect SST statistics

[carrey-feng]

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Describe the bug (required)

In the Driver side, the recordSuccess longAccumulator is used for accumulation and logging output at Exchange code However, when calling the GenerateSstFile::writeSstFiles method in EdgeProcessor/VertexProcessor, batchFailure is passed instead atEdgeProcessor Code, causing the totalSstRecordFailure to always be 0.

Exchange Code:

EdgeProcessor Code:

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Expected behavior

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