YARN-9676. Add DEBUG and TRACE level messages to AppLogAggregatorImpl… (#1261)
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YARN-9676. Add DEBUG and TRACE level messages to AppLogAggregatorImpl and connected classes
* Using {} placeholder, and increasing loglevel if log aggregation failed.
(cherry picked from commit c89bdfacc8715fa6d72acd85437ab8cd257c8aad)