Merge "Enable checkstyle for all frameworks/base projects."

[Hook Scripts]

checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT}

                  -fw core/

                      graphics/java/android

                      packages/PrintRecommendationService/

                      packages/PrintSpooler/

                      packages/PackageInstaller/

                      packages/SystemUI/

                      services/print/

                      services/usb/

                      telephony/

                      tests/ActivityViewTest/

                      tests/LotsOfApps/

                      tests/NativeProcessesMemoryTest/

                      tests/OdmApps/

                      tests/SystemMemoryTest/

                      wifi/

api_lint_hook = ${REPO_ROOT}/frameworks/base/tools/apilint/apilint_sha.sh ${PREUPLOAD_COMMIT}