Fix NPE when calculating code coverage for Gradle projects with non-standard directory layout#8521

nikita-tkachenko-datadog merged 2 commits intomasterDataDog/dd-trace-java:masterfrom

nikita-tkachenko/module-layout-npe-fixDataDog/dd-trace-java:nikita-tkachenko/module-layout-npe-fixCopy head branch name to clipboard