1[Hook Scripts] 2checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT} 3 -fw core/java/android/ 4 core/tests/coretests/src/android/ 5 packages/PrintRecommendationService/ 6 packages/PrintSpooler/ 7 services/print/ 8 services/usb/ 9 10