To import the formatter, go to preferences, section Java > Code Style > formatter, then click on import and choose eclipse/android-formatting.xml
To add the import order, to go into Java > Code Style > Organize Import, then click on import and choose eclipse/android.importorder
To import the checkstyle configuratoin, go the preferences, section Checkstyle > New > Type: External Configuration File > Location, click Browse and choose eclipse/android-checkstyle.xml