Merge "Check USB and Print Framework code."

[Hook Scripts]

checkstyle_hook = ../../development/tools/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT}

                  -fw core/java/android/animation/

                      core/java/android/hardware/usb/

                      core/java/android/print/

                      core/java/android/printservice/

                      core/java/android/text/

                      core/java/android/view/

                      core/java/android/transition/

                      core/java/android/view/

                      core/java/android/widget/

                      core/tests/coretests/src/android/print/

                      packages/PrintRecommendationService/

                      packages/PrintSpooler/

                      services/print/

                      services/usb/