spark git commit: [SPARK-16131] initialize internal logger lazily in Scala preferred way

Repository: spark Updated Branches: refs/heads/branch-2.0 1d3c56e77 -> e2eb8e002 [SPARK-16131] initialize internal logger lazily in Scala preferred way ## What changes were proposed in this pull request? Initialize logger instance lazily in Scala preferred way ## How was this patch tested?

spark git commit: [SPARK-16131] initialize internal logger lazily in Scala preferred way

Repository: spark Updated Branches: refs/heads/master 857ecff1d -> 044971eca [SPARK-16131] initialize internal logger lazily in Scala preferred way ## What changes were proposed in this pull request? Initialize logger instance lazily in Scala preferred way ## How was this patch tested? By