Include DRIVER_TOOLS env var, so we can use original files without having to duplicate them

Author: derickr

.evergreen/config.yml

@@ -330,7 +330,7 @@ functions:
       params:
         script: |
           ${PREPARE_SHELL}
-          MONGODB_VERSION=${VERSION} PROJECT_DIRECTORY=${PROJECT_DIRECTORY} CONFIG=${CONFIG} TOPOLOGY=${TOPOLOGY} sh ${PROJECT_DIRECTORY}/.evergreen/run-orchestration.sh
+          MONGODB_VERSION=${VERSION} PROJECT_DIRECTORY=${PROJECT_DIRECTORY} DRIVER_TOOLS=${DRIVER_TOOLS} CONFIG=${CONFIG} TOPOLOGY=${TOPOLOGY} sh ${PROJECT_DIRECTORY}/.evergreen/run-orchestration.sh
     # run-orchestration generates expansion file with the MONGODB_URI for the cluster
     - command: expansions.update
       params: