1[Hook Scripts] 2checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT} 3 -fw libraries/annotations 4 libraries/aupt-lib 5 libraries/base-app-helpers 6 libraries/launcher-helper 7 libraries/metrics-helper 8 libraries/power-helper 9 libraries/system-helpers 10 libraries/timeresult-helpers 11 12