fix: Allow BigQuery Usage Extractor to extract usage for views

[abhinay04]

Fix for Issue amundsen-io/amundsen#789.

Summary of Changes

Extracts information about views and tables in the BigQuery Usage Extractor

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[feng-tao]

lgtm based on https://cloud.google.com/logging/docs/reference/audit/bigquery/rest/Shared.Types/AuditData#JobStatistics!